Home / 57,799.90-79,712.02-48,141.42

Finding the Fourth Proportional to 57,799.90, 79,712.02 and 48,141.42

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Solution

The fourth proportional to 57,799.90, 79,712.02 and 48,141.42 is: 66,391.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,799.90 : 79,712.02 = 48,141.42 : x
  2. Step 2: Convert to fraction form
    57,799.90/79,712.02 = 48,141.42/x
  3. Step 3: Cross multiply
    57,799.90x = 79,712.02 × 48,141.42
  4. Step 4: Simplify right side
    57,799.90x = 3,837,449,772.71
  5. Step 5: Solve for x
    x = 3,837,449,772.71/57,799.90
  6. Step 6: Final answer
    x = 66,391.98

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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.