Home / 94,728.40-142,092.60-55,265.20

Finding the Fourth Proportional to 94,728.40, 142,092.60 and 55,265.20

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Solution

The fourth proportional to 94,728.40, 142,092.60 and 55,265.20 is: 82,897.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,728.40 : 142,092.60 = 55,265.20 : x
  2. Step 2: Convert to fraction form
    94,728.40/142,092.60 = 55,265.20/x
  3. Step 3: Cross multiply
    94,728.40x = 142,092.60 × 55,265.20
  4. Step 4: Simplify right side
    94,728.40x = 7,852,775,957.52
  5. Step 5: Solve for x
    x = 7,852,775,957.52/94,728.40
  6. Step 6: Final answer
    x = 82,897.80

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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.