Home / 112,037.20-167,897.40-62,139.28

Finding the Fourth Proportional to 112,037.20, 167,897.40 and 62,139.28

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Solution

The fourth proportional to 112,037.20, 167,897.40 and 62,139.28 is: 93,121.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,037.20 : 167,897.40 = 62,139.28 : x
  2. Step 2: Convert to fraction form
    112,037.20/167,897.40 = 62,139.28/x
  3. Step 3: Cross multiply
    112,037.20x = 167,897.40 × 62,139.28
  4. Step 4: Simplify right side
    112,037.20x = 10,433,023,549.87
  5. Step 5: Solve for x
    x = 10,433,023,549.87/112,037.20
  6. Step 6: Final answer
    x = 93,121.07

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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.