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Finding the Fourth Proportional to 61,701.79, 92,533.54 and 22,253.78

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Solution

The fourth proportional to 61,701.79, 92,533.54 and 22,253.78 is: 33,373.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,701.79 : 92,533.54 = 22,253.78 : x
  2. Step 2: Convert to fraction form
    61,701.79/92,533.54 = 22,253.78/x
  3. Step 3: Cross multiply
    61,701.79x = 92,533.54 × 22,253.78
  4. Step 4: Simplify right side
    61,701.79x = 2,059,221,041.78
  5. Step 5: Solve for x
    x = 2,059,221,041.78/61,701.79
  6. Step 6: Final answer
    x = 33,373.77

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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.