Home / 102,812.16-141,896.84-62,538.56

Finding the Fourth Proportional to 102,812.16, 141,896.84 and 62,538.56

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Solution

The fourth proportional to 102,812.16, 141,896.84 and 62,538.56 is: 86,312.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,812.16 : 141,896.84 = 62,538.56 : x
  2. Step 2: Convert to fraction form
    102,812.16/141,896.84 = 62,538.56/x
  3. Step 3: Cross multiply
    102,812.16x = 141,896.84 × 62,538.56
  4. Step 4: Simplify right side
    102,812.16x = 8,874,024,042.15
  5. Step 5: Solve for x
    x = 8,874,024,042.15/102,812.16
  6. Step 6: Final answer
    x = 86,312.98

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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.