Home / 88,234-121,763.64-47,947.74

Finding the Fourth Proportional to 88,234, 121,763.64 and 47,947.74

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Solution

The fourth proportional to 88,234, 121,763.64 and 47,947.74 is: 66,168.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,234 : 121,763.64 = 47,947.74 : x
  2. Step 2: Convert to fraction form
    88,234/121,763.64 = 47,947.74/x
  3. Step 3: Cross multiply
    88,234x = 121,763.64 × 47,947.74
  4. Step 4: Simplify right side
    88,234x = 5,838,291,352.17
  5. Step 5: Solve for x
    x = 5,838,291,352.17/88,234
  6. Step 6: Final answer
    x = 66,168.27

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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.