Home / 57,197.19-78,934.16-34,531.76

Finding the Fourth Proportional to 57,197.19, 78,934.16 and 34,531.76

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Solution

The fourth proportional to 57,197.19, 78,934.16 and 34,531.76 is: 47,655.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,197.19 : 78,934.16 = 34,531.76 : x
  2. Step 2: Convert to fraction form
    57,197.19/78,934.16 = 34,531.76/x
  3. Step 3: Cross multiply
    57,197.19x = 78,934.16 × 34,531.76
  4. Step 4: Simplify right side
    57,197.19x = 2,725,734,901.59
  5. Step 5: Solve for x
    x = 2,725,734,901.59/57,197.19
  6. Step 6: Final answer
    x = 47,655.05

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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.