Home / 57,088.80-78,787.20-32,897.28

Finding the Fourth Proportional to 57,088.80, 78,787.20 and 32,897.28

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Solution

The fourth proportional to 57,088.80, 78,787.20 and 32,897.28 is: 45,400.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,088.80 : 78,787.20 = 32,897.28 : x
  2. Step 2: Convert to fraction form
    57,088.80/78,787.20 = 32,897.28/x
  3. Step 3: Cross multiply
    57,088.80x = 78,787.20 × 32,897.28
  4. Step 4: Simplify right side
    57,088.80x = 2,591,884,578.82
  5. Step 5: Solve for x
    x = 2,591,884,578.82/57,088.80
  6. Step 6: Final answer
    x = 45,400.93

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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.