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Finding the Fourth Proportional to 64,601.76, 89,150.76 and 36,307.20

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Solution

The fourth proportional to 64,601.76, 89,150.76 and 36,307.20 is: 50,104.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,601.76 : 89,150.76 = 36,307.20 : x
  2. Step 2: Convert to fraction form
    64,601.76/89,150.76 = 36,307.20/x
  3. Step 3: Cross multiply
    64,601.76x = 89,150.76 × 36,307.20
  4. Step 4: Simplify right side
    64,601.76x = 3,236,814,473.47
  5. Step 5: Solve for x
    x = 3,236,814,473.47/64,601.76
  6. Step 6: Final answer
    x = 50,104.12

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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.