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Finding the Fourth Proportional to 61,443.83, 92,165.69 and 35,130.11

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Solution

The fourth proportional to 61,443.83, 92,165.69 and 35,130.11 is: 52,695.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,443.83 : 92,165.69 = 35,130.11 : x
  2. Step 2: Convert to fraction form
    61,443.83/92,165.69 = 35,130.11/x
  3. Step 3: Cross multiply
    61,443.83x = 92,165.69 × 35,130.11
  4. Step 4: Simplify right side
    61,443.83x = 3,237,790,191.45
  5. Step 5: Solve for x
    x = 3,237,790,191.45/61,443.83
  6. Step 6: Final answer
    x = 52,695.13

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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.