Home / 86,008.37-118,691.66-48,282.89

Finding the Fourth Proportional to 86,008.37, 118,691.66 and 48,282.89

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Solution

The fourth proportional to 86,008.37, 118,691.66 and 48,282.89 is: 66,630.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,008.37 : 118,691.66 = 48,282.89 : x
  2. Step 2: Convert to fraction form
    86,008.37/118,691.66 = 48,282.89/x
  3. Step 3: Cross multiply
    86,008.37x = 118,691.66 × 48,282.89
  4. Step 4: Simplify right side
    86,008.37x = 5,730,775,890.95
  5. Step 5: Solve for x
    x = 5,730,775,890.95/86,008.37
  6. Step 6: Final answer
    x = 66,630.45

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1.5x scale

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.