Home / 88,349.13-121,881.51-52,518.78

Finding the Fourth Proportional to 88,349.13, 121,881.51 and 52,518.78

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Solution

The fourth proportional to 88,349.13, 121,881.51 and 52,518.78 is: 72,451.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,349.13 : 121,881.51 = 52,518.78 : x
  2. Step 2: Convert to fraction form
    88,349.13/121,881.51 = 52,518.78/x
  3. Step 3: Cross multiply
    88,349.13x = 121,881.51 × 52,518.78
  4. Step 4: Simplify right side
    88,349.13x = 6,401,068,209.76
  5. Step 5: Solve for x
    x = 6,401,068,209.76/88,349.13
  6. Step 6: Final answer
    x = 72,451.97

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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.