Home / 90,998.64-125,582.40-53,285.04

Finding the Fourth Proportional to 90,998.64, 125,582.40 and 53,285.04

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Solution

The fourth proportional to 90,998.64, 125,582.40 and 53,285.04 is: 73,535.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,998.64 : 125,582.40 = 53,285.04 : x
  2. Step 2: Convert to fraction form
    90,998.64/125,582.40 = 53,285.04/x
  3. Step 3: Cross multiply
    90,998.64x = 125,582.40 × 53,285.04
  4. Step 4: Simplify right side
    90,998.64x = 6,691,663,207.30
  5. Step 5: Solve for x
    x = 6,691,663,207.30/90,998.64
  6. Step 6: Final answer
    x = 73,535.86

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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.