Home / 63,530.53-87,670.82-39,325.10

Finding the Fourth Proportional to 63,530.53, 87,670.82 and 39,325.10

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Solution

The fourth proportional to 63,530.53, 87,670.82 and 39,325.10 is: 54,267.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,530.53 : 87,670.82 = 39,325.10 : x
  2. Step 2: Convert to fraction form
    63,530.53/87,670.82 = 39,325.10/x
  3. Step 3: Cross multiply
    63,530.53x = 87,670.82 × 39,325.10
  4. Step 4: Simplify right side
    63,530.53x = 3,447,663,423.54
  5. Step 5: Solve for x
    x = 3,447,663,423.54/63,530.53
  6. Step 6: Final answer
    x = 54,267.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.