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Finding the Fourth Proportional to 88,000.81, 121,440.53 and 47,714.45

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Solution

The fourth proportional to 88,000.81, 121,440.53 and 47,714.45 is: 65,845.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,000.81 : 121,440.53 = 47,714.45 : x
  2. Step 2: Convert to fraction form
    88,000.81/121,440.53 = 47,714.45/x
  3. Step 3: Cross multiply
    88,000.81x = 121,440.53 × 47,714.45
  4. Step 4: Simplify right side
    88,000.81x = 5,794,467,608.74
  5. Step 5: Solve for x
    x = 5,794,467,608.74/88,000.81
  6. Step 6: Final answer
    x = 65,845.62

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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.