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Finding the Fourth Proportional to 64,407.44, 88,887.42 and 35,729.93

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Solution

The fourth proportional to 64,407.44, 88,887.42 and 35,729.93 is: 49,310.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,407.44 : 88,887.42 = 35,729.93 : x
  2. Step 2: Convert to fraction form
    64,407.44/88,887.42 = 35,729.93/x
  3. Step 3: Cross multiply
    64,407.44x = 88,887.42 × 35,729.93
  4. Step 4: Simplify right side
    64,407.44x = 3,175,941,294.48
  5. Step 5: Solve for x
    x = 3,175,941,294.48/64,407.44
  6. Step 6: Final answer
    x = 49,310.16

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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.