Home / 83,366.04-115,045.14-45,640.29

Finding the Fourth Proportional to 83,366.04, 115,045.14 and 45,640.29

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Solution

The fourth proportional to 83,366.04, 115,045.14 and 45,640.29 is: 62,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,366.04 : 115,045.14 = 45,640.29 : x
  2. Step 2: Convert to fraction form
    83,366.04/115,045.14 = 45,640.29/x
  3. Step 3: Cross multiply
    83,366.04x = 115,045.14 × 45,640.29
  4. Step 4: Simplify right side
    83,366.04x = 5,250,693,552.69
  5. Step 5: Solve for x
    x = 5,250,693,552.69/83,366.04
  6. Step 6: Final answer
    x = 62,983.60

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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.