Home / 113,863.21-157,132.49-62,875.87

Finding the Fourth Proportional to 113,863.21, 157,132.49 and 62,875.87

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Solution

The fourth proportional to 113,863.21, 157,132.49 and 62,875.87 is: 86,769.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,863.21 : 157,132.49 = 62,875.87 : x
  2. Step 2: Convert to fraction form
    113,863.21/157,132.49 = 62,875.87/x
  3. Step 3: Cross multiply
    113,863.21x = 157,132.49 × 62,875.87
  4. Step 4: Simplify right side
    113,863.21x = 9,879,841,306.81
  5. Step 5: Solve for x
    x = 9,879,841,306.81/113,863.21
  6. Step 6: Final answer
    x = 86,769.39

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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.