Home / 83,152.32-124,641.36-38,742.45

Finding the Fourth Proportional to 83,152.32, 124,641.36 and 38,742.45

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Solution

The fourth proportional to 83,152.32, 124,641.36 and 38,742.45 is: 58,073.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,152.32 : 124,641.36 = 38,742.45 : x
  2. Step 2: Convert to fraction form
    83,152.32/124,641.36 = 38,742.45/x
  3. Step 3: Cross multiply
    83,152.32x = 124,641.36 × 38,742.45
  4. Step 4: Simplify right side
    83,152.32x = 4,828,911,657.73
  5. Step 5: Solve for x
    x = 4,828,911,657.73/83,152.32
  6. Step 6: Final answer
    x = 58,073.08

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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.