Home / 88,000.62-121,439.72-47,714.25

Finding the Fourth Proportional to 88,000.62, 121,439.72 and 47,714.25

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Solution

The fourth proportional to 88,000.62, 121,439.72 and 47,714.25 is: 65,845.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,000.62 : 121,439.72 = 47,714.25 : x
  2. Step 2: Convert to fraction form
    88,000.62/121,439.72 = 47,714.25/x
  3. Step 3: Cross multiply
    88,000.62x = 121,439.72 × 47,714.25
  4. Step 4: Simplify right side
    88,000.62x = 5,794,405,160.01
  5. Step 5: Solve for x
    x = 5,794,405,160.01/88,000.62
  6. Step 6: Final answer
    x = 65,845.05

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1.5x scale

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.