Home / 83,585.46-115,347.56-45,345.04

Finding the Fourth Proportional to 83,585.46, 115,347.56 and 45,345.04

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Solution

The fourth proportional to 83,585.46, 115,347.56 and 45,345.04 is: 62,575.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,585.46 : 115,347.56 = 45,345.04 : x
  2. Step 2: Convert to fraction form
    83,585.46/115,347.56 = 45,345.04/x
  3. Step 3: Cross multiply
    83,585.46x = 115,347.56 × 45,345.04
  4. Step 4: Simplify right side
    83,585.46x = 5,230,439,495.38
  5. Step 5: Solve for x
    x = 5,230,439,495.38/83,585.46
  6. Step 6: Final answer
    x = 62,575.95

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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.