Home / 90,373.76-124,673.60-56,858.24

Finding the Fourth Proportional to 90,373.76, 124,673.60 and 56,858.24

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Solution

The fourth proportional to 90,373.76, 124,673.60 and 56,858.24 is: 78,437.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,373.76 : 124,673.60 = 56,858.24 : x
  2. Step 2: Convert to fraction form
    90,373.76/124,673.60 = 56,858.24/x
  3. Step 3: Cross multiply
    90,373.76x = 124,673.60 × 56,858.24
  4. Step 4: Simplify right side
    90,373.76x = 7,088,721,470.46
  5. Step 5: Solve for x
    x = 7,088,721,470.46/90,373.76
  6. Step 6: Final answer
    x = 78,437.83

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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.