Home / 86,008.60-118,691.04-48,282.58

Finding the Fourth Proportional to 86,008.60, 118,691.04 and 48,282.58

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Solution

The fourth proportional to 86,008.60, 118,691.04 and 48,282.58 is: 66,629.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,008.60 : 118,691.04 = 48,282.58 : x
  2. Step 2: Convert to fraction form
    86,008.60/118,691.04 = 48,282.58/x
  3. Step 3: Cross multiply
    86,008.60x = 118,691.04 × 48,282.58
  4. Step 4: Simplify right side
    86,008.60x = 5,730,709,518.42
  5. Step 5: Solve for x
    x = 5,730,709,518.42/86,008.60
  6. Step 6: Final answer
    x = 66,629.50

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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.