Home / 103,159.92-142,386.00-62,895.88

Finding the Fourth Proportional to 103,159.92, 142,386.00 and 62,895.88

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Solution

The fourth proportional to 103,159.92, 142,386.00 and 62,895.88 is: 86,811.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,159.92 : 142,386.00 = 62,895.88 : x
  2. Step 2: Convert to fraction form
    103,159.92/142,386.00 = 62,895.88/x
  3. Step 3: Cross multiply
    103,159.92x = 142,386.00 × 62,895.88
  4. Step 4: Simplify right side
    103,159.92x = 8,955,492,471.59
  5. Step 5: Solve for x
    x = 8,955,492,471.59/103,159.92
  6. Step 6: Final answer
    x = 86,811.75

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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.