Home / 90,483.04-124,863.60-54,666.76

Finding the Fourth Proportional to 90,483.04, 124,863.60 and 54,666.76

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Solution

The fourth proportional to 90,483.04, 124,863.60 and 54,666.76 is: 75,438.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,483.04 : 124,863.60 = 54,666.76 : x
  2. Step 2: Convert to fraction form
    90,483.04/124,863.60 = 54,666.76/x
  3. Step 3: Cross multiply
    90,483.04x = 124,863.60 × 54,666.76
  4. Step 4: Simplify right side
    90,483.04x = 6,825,888,453.94
  5. Step 5: Solve for x
    x = 6,825,888,453.94/90,483.04
  6. Step 6: Final answer
    x = 75,438.32

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.