Home / 52,434.94-78,574.63-38,515.90

Finding the Fourth Proportional to 52,434.94, 78,574.63 and 38,515.90

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Solution

The fourth proportional to 52,434.94, 78,574.63 and 38,515.90 is: 57,716.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,434.94 : 78,574.63 = 38,515.90 : x
  2. Step 2: Convert to fraction form
    52,434.94/78,574.63 = 38,515.90/x
  3. Step 3: Cross multiply
    52,434.94x = 78,574.63 × 38,515.90
  4. Step 4: Simplify right side
    52,434.94x = 3,026,372,591.62
  5. Step 5: Solve for x
    x = 3,026,372,591.62/52,434.94
  6. Step 6: Final answer
    x = 57,716.72

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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.