Home / 52,377.64-78,645.18-45,061.64

Finding the Fourth Proportional to 52,377.64, 78,645.18 and 45,061.64

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Solution

The fourth proportional to 52,377.64, 78,645.18 and 45,061.64 is: 67,660.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,377.64 : 78,645.18 = 45,061.64 : x
  2. Step 2: Convert to fraction form
    52,377.64/78,645.18 = 45,061.64/x
  3. Step 3: Cross multiply
    52,377.64x = 78,645.18 × 45,061.64
  4. Step 4: Simplify right side
    52,377.64x = 3,543,880,788.90
  5. Step 5: Solve for x
    x = 3,543,880,788.90/52,377.64
  6. Step 6: Final answer
    x = 67,660.18

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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.