Home / 86,207.08-118,956.10-48,480.52

Finding the Fourth Proportional to 86,207.08, 118,956.10 and 48,480.52

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Solution

The fourth proportional to 86,207.08, 118,956.10 and 48,480.52 is: 66,897.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,207.08 : 118,956.10 = 48,480.52 : x
  2. Step 2: Convert to fraction form
    86,207.08/118,956.10 = 48,480.52/x
  3. Step 3: Cross multiply
    86,207.08x = 118,956.10 × 48,480.52
  4. Step 4: Simplify right side
    86,207.08x = 5,767,053,585.17
  5. Step 5: Solve for x
    x = 5,767,053,585.17/86,207.08
  6. Step 6: Final answer
    x = 66,897.68

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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.