Home / 63,428.40-87,353.64-62,050.86

Finding the Fourth Proportional to 63,428.40, 87,353.64 and 62,050.86

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Solution

The fourth proportional to 63,428.40, 87,353.64 and 62,050.86 is: 85,456.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,428.40 : 87,353.64 = 62,050.86 : x
  2. Step 2: Convert to fraction form
    63,428.40/87,353.64 = 62,050.86/x
  3. Step 3: Cross multiply
    63,428.40x = 87,353.64 × 62,050.86
  4. Step 4: Simplify right side
    63,428.40x = 5,420,368,486.13
  5. Step 5: Solve for x
    x = 5,420,368,486.13/63,428.40
  6. Step 6: Final answer
    x = 85,456.49

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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.