Home / 72,434.30-108,651.45-37,004.90

Finding the Fourth Proportional to 72,434.30, 108,651.45 and 37,004.90

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Solution

The fourth proportional to 72,434.30, 108,651.45 and 37,004.90 is: 55,507.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,434.30 : 108,651.45 = 37,004.90 : x
  2. Step 2: Convert to fraction form
    72,434.30/108,651.45 = 37,004.90/x
  3. Step 3: Cross multiply
    72,434.30x = 108,651.45 × 37,004.90
  4. Step 4: Simplify right side
    72,434.30x = 4,020,636,042.11
  5. Step 5: Solve for x
    x = 4,020,636,042.11/72,434.30
  6. Step 6: Final answer
    x = 55,507.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.