Home / 88,100.45-121,637.16-52,301.96

Finding the Fourth Proportional to 88,100.45, 121,637.16 and 52,301.96

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Solution

The fourth proportional to 88,100.45, 121,637.16 and 52,301.96 is: 72,211.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,100.45 : 121,637.16 = 52,301.96 : x
  2. Step 2: Convert to fraction form
    88,100.45/121,637.16 = 52,301.96/x
  3. Step 3: Cross multiply
    88,100.45x = 121,637.16 × 52,301.96
  4. Step 4: Simplify right side
    88,100.45x = 6,361,861,876.83
  5. Step 5: Solve for x
    x = 6,361,861,876.83/88,100.45
  6. Step 6: Final answer
    x = 72,211.46

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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.