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Finding the Fourth Proportional to 77,596.44, 116,373.42 and 21,423.12

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Solution

The fourth proportional to 77,596.44, 116,373.42 and 21,423.12 is: 32,128.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,596.44 : 116,373.42 = 21,423.12 : x
  2. Step 2: Convert to fraction form
    77,596.44/116,373.42 = 21,423.12/x
  3. Step 3: Cross multiply
    77,596.44x = 116,373.42 × 21,423.12
  4. Step 4: Simplify right side
    77,596.44x = 2,493,081,741.47
  5. Step 5: Solve for x
    x = 2,493,081,741.47/77,596.44
  6. Step 6: Final answer
    x = 32,128.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.