Home / 90,494.08-124,878.76-54,677.76

Finding the Fourth Proportional to 90,494.08, 124,878.76 and 54,677.76

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Solution

The fourth proportional to 90,494.08, 124,878.76 and 54,677.76 is: 75,453.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,494.08 : 124,878.76 = 54,677.76 : x
  2. Step 2: Convert to fraction form
    90,494.08/124,878.76 = 54,677.76/x
  3. Step 3: Cross multiply
    90,494.08x = 124,878.76 × 54,677.76
  4. Step 4: Simplify right side
    90,494.08x = 6,828,090,868.38
  5. Step 5: Solve for x
    x = 6,828,090,868.38/90,494.08
  6. Step 6: Final answer
    x = 75,453.45

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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.