Home / 127,587.96-191,411.06-38,854.04

Finding the Fourth Proportional to 127,587.96, 191,411.06 and 38,854.04

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Solution

The fourth proportional to 127,587.96, 191,411.06 and 38,854.04 is: 58,289.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,587.96 : 191,411.06 = 38,854.04 : x
  2. Step 2: Convert to fraction form
    127,587.96/191,411.06 = 38,854.04/x
  3. Step 3: Cross multiply
    127,587.96x = 191,411.06 × 38,854.04
  4. Step 4: Simplify right side
    127,587.96x = 7,437,092,981.68
  5. Step 5: Solve for x
    x = 7,437,092,981.68/127,587.96
  6. Step 6: Final answer
    x = 58,289.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.