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Finding the Fourth Proportional to 80,353.60, 110,865.53 and 63,304.93

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Solution

The fourth proportional to 80,353.60, 110,865.53 and 63,304.93 is: 87,343.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,353.60 : 110,865.53 = 63,304.93 : x
  2. Step 2: Convert to fraction form
    80,353.60/110,865.53 = 63,304.93/x
  3. Step 3: Cross multiply
    80,353.60x = 110,865.53 × 63,304.93
  4. Step 4: Simplify right side
    80,353.60x = 7,018,333,745.21
  5. Step 5: Solve for x
    x = 7,018,333,745.21/80,353.60
  6. Step 6: Final answer
    x = 87,343.12

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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.