Home / 84,585.12-126,877.45-37,805.19

Finding the Fourth Proportional to 84,585.12, 126,877.45 and 37,805.19

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Solution

The fourth proportional to 84,585.12, 126,877.45 and 37,805.19 is: 56,707.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,585.12 : 126,877.45 = 37,805.19 : x
  2. Step 2: Convert to fraction form
    84,585.12/126,877.45 = 37,805.19/x
  3. Step 3: Cross multiply
    84,585.12x = 126,877.45 × 37,805.19
  4. Step 4: Simplify right side
    84,585.12x = 4,796,626,103.97
  5. Step 5: Solve for x
    x = 4,796,626,103.97/84,585.12
  6. Step 6: Final answer
    x = 56,707.68

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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.