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Finding the Fourth Proportional to 61,612.40, 92,353.80 and 35,260.40

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Solution

The fourth proportional to 61,612.40, 92,353.80 and 35,260.40 is: 52,853.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,612.40 : 92,353.80 = 35,260.40 : x
  2. Step 2: Convert to fraction form
    61,612.40/92,353.80 = 35,260.40/x
  3. Step 3: Cross multiply
    61,612.40x = 92,353.80 × 35,260.40
  4. Step 4: Simplify right side
    61,612.40x = 3,256,431,929.52
  5. Step 5: Solve for x
    x = 3,256,431,929.52/61,612.40
  6. Step 6: Final answer
    x = 52,853.52

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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.