Home / 92,729.02-127,972.40-52,442.80

Finding the Fourth Proportional to 92,729.02, 127,972.40 and 52,442.80

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Solution

The fourth proportional to 92,729.02, 127,972.40 and 52,442.80 is: 72,374.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,729.02 : 127,972.40 = 52,442.80 : x
  2. Step 2: Convert to fraction form
    92,729.02/127,972.40 = 52,442.80/x
  3. Step 3: Cross multiply
    92,729.02x = 127,972.40 × 52,442.80
  4. Step 4: Simplify right side
    92,729.02x = 6,711,230,978.72
  5. Step 5: Solve for x
    x = 6,711,230,978.72/92,729.02
  6. Step 6: Final answer
    x = 72,374.66

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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.