Home / 71,294.18-107,135.13-38,037.74

Finding the Fourth Proportional to 71,294.18, 107,135.13 and 38,037.74

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Solution

The fourth proportional to 71,294.18, 107,135.13 and 38,037.74 is: 57,160.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,294.18 : 107,135.13 = 38,037.74 : x
  2. Step 2: Convert to fraction form
    71,294.18/107,135.13 = 38,037.74/x
  3. Step 3: Cross multiply
    71,294.18x = 107,135.13 × 38,037.74
  4. Step 4: Simplify right side
    71,294.18x = 4,075,178,219.81
  5. Step 5: Solve for x
    x = 4,075,178,219.81/71,294.18
  6. Step 6: Final answer
    x = 57,160.04

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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.