Home / 94,395.76-141,613.08-78,921.52

Finding the Fourth Proportional to 94,395.76, 141,613.08 and 78,921.52

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Solution

The fourth proportional to 94,395.76, 141,613.08 and 78,921.52 is: 118,398.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,395.76 : 141,613.08 = 78,921.52 : x
  2. Step 2: Convert to fraction form
    94,395.76/141,613.08 = 78,921.52/x
  3. Step 3: Cross multiply
    94,395.76x = 141,613.08 × 78,921.52
  4. Step 4: Simplify right side
    94,395.76x = 11,176,319,525.48
  5. Step 5: Solve for x
    x = 11,176,319,525.48/94,395.76
  6. Step 6: Final answer
    x = 118,398.53

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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.