Home / 63,098.40-87,081.93-47,155.17

Finding the Fourth Proportional to 63,098.40, 87,081.93 and 47,155.17

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Solution

The fourth proportional to 63,098.40, 87,081.93 and 47,155.17 is: 65,078.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,098.40 : 87,081.93 = 47,155.17 : x
  2. Step 2: Convert to fraction form
    63,098.40/87,081.93 = 47,155.17/x
  3. Step 3: Cross multiply
    63,098.40x = 87,081.93 × 47,155.17
  4. Step 4: Simplify right side
    63,098.40x = 4,106,363,213.08
  5. Step 5: Solve for x
    x = 4,106,363,213.08/63,098.40
  6. Step 6: Final answer
    x = 65,078.72

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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.