Home / 102,805.14-141,863.28-62,513.34

Finding the Fourth Proportional to 102,805.14, 141,863.28 and 62,513.34

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Solution

The fourth proportional to 102,805.14, 141,863.28 and 62,513.34 is: 86,263.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,805.14 : 141,863.28 = 62,513.34 : x
  2. Step 2: Convert to fraction form
    102,805.14/141,863.28 = 62,513.34/x
  3. Step 3: Cross multiply
    102,805.14x = 141,863.28 × 62,513.34
  4. Step 4: Simplify right side
    102,805.14x = 8,868,347,456.16
  5. Step 5: Solve for x
    x = 8,868,347,456.16/102,805.14
  6. Step 6: Final answer
    x = 86,263.66

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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.