Home / 88,179.55-121,722.68-61,337.64

Finding the Fourth Proportional to 88,179.55, 121,722.68 and 61,337.64

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Solution

The fourth proportional to 88,179.55, 121,722.68 and 61,337.64 is: 84,670.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,179.55 : 121,722.68 = 61,337.64 : x
  2. Step 2: Convert to fraction form
    88,179.55/121,722.68 = 61,337.64/x
  3. Step 3: Cross multiply
    88,179.55x = 121,722.68 × 61,337.64
  4. Step 4: Simplify right side
    88,179.55x = 7,466,181,925.68
  5. Step 5: Solve for x
    x = 7,466,181,925.68/88,179.55
  6. Step 6: Final answer
    x = 84,670.22

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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.