Home / 88,654.69-122,325.55-56,402.11

Finding the Fourth Proportional to 88,654.69, 122,325.55 and 56,402.11

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Solution

The fourth proportional to 88,654.69, 122,325.55 and 56,402.11 is: 77,823.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,654.69 : 122,325.55 = 56,402.11 : x
  2. Step 2: Convert to fraction form
    88,654.69/122,325.55 = 56,402.11/x
  3. Step 3: Cross multiply
    88,654.69x = 122,325.55 × 56,402.11
  4. Step 4: Simplify right side
    88,654.69x = 6,899,419,126.91
  5. Step 5: Solve for x
    x = 6,899,419,126.91/88,654.69
  6. Step 6: Final answer
    x = 77,823.51

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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.