Home / 63,446.40-87,557.76-35,155.20

Finding the Fourth Proportional to 63,446.40, 87,557.76 and 35,155.20

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Solution

The fourth proportional to 63,446.40, 87,557.76 and 35,155.20 is: 48,515.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,446.40 : 87,557.76 = 35,155.20 : x
  2. Step 2: Convert to fraction form
    63,446.40/87,557.76 = 35,155.20/x
  3. Step 3: Cross multiply
    63,446.40x = 87,557.76 × 35,155.20
  4. Step 4: Simplify right side
    63,446.40x = 3,078,110,564.35
  5. Step 5: Solve for x
    x = 3,078,110,564.35/63,446.40
  6. Step 6: Final answer
    x = 48,515.13

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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.