Home / 83,535.65-115,279.07-45,295.13

Finding the Fourth Proportional to 83,535.65, 115,279.07 and 45,295.13

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Solution

The fourth proportional to 83,535.65, 115,279.07 and 45,295.13 is: 62,507.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,535.65 : 115,279.07 = 45,295.13 : x
  2. Step 2: Convert to fraction form
    83,535.65/115,279.07 = 45,295.13/x
  3. Step 3: Cross multiply
    83,535.65x = 115,279.07 × 45,295.13
  4. Step 4: Simplify right side
    83,535.65x = 5,221,580,129.99
  5. Step 5: Solve for x
    x = 5,221,580,129.99/83,535.65
  6. Step 6: Final answer
    x = 62,507.21

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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.