Home / 71,315.17-106,995.14-42,884.85

Finding the Fourth Proportional to 71,315.17, 106,995.14 and 42,884.85

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Solution

The fourth proportional to 71,315.17, 106,995.14 and 42,884.85 is: 64,340.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,315.17 : 106,995.14 = 42,884.85 : x
  2. Step 2: Convert to fraction form
    71,315.17/106,995.14 = 42,884.85/x
  3. Step 3: Cross multiply
    71,315.17x = 106,995.14 × 42,884.85
  4. Step 4: Simplify right side
    71,315.17x = 4,588,470,529.63
  5. Step 5: Solve for x
    x = 4,588,470,529.63/71,315.17
  6. Step 6: Final answer
    x = 64,340.74

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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.