Home / 113,863.73-157,128.05-62,875.64

Finding the Fourth Proportional to 113,863.73, 157,128.05 and 62,875.64

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Solution

The fourth proportional to 113,863.73, 157,128.05 and 62,875.64 is: 86,766.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,863.73 : 157,128.05 = 62,875.64 : x
  2. Step 2: Convert to fraction form
    113,863.73/157,128.05 = 62,875.64/x
  3. Step 3: Cross multiply
    113,863.73x = 157,128.05 × 62,875.64
  4. Step 4: Simplify right side
    113,863.73x = 9,879,527,255.71
  5. Step 5: Solve for x
    x = 9,879,527,255.71/113,863.73
  6. Step 6: Final answer
    x = 86,766.24

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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.