Home / 88,355.36-121,929.10-48,069.48

Finding the Fourth Proportional to 88,355.36, 121,929.10 and 48,069.48

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Solution

The fourth proportional to 88,355.36, 121,929.10 and 48,069.48 is: 66,335.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,355.36 : 121,929.10 = 48,069.48 : x
  2. Step 2: Convert to fraction form
    88,355.36/121,929.10 = 48,069.48/x
  3. Step 3: Cross multiply
    88,355.36x = 121,929.10 × 48,069.48
  4. Step 4: Simplify right side
    88,355.36x = 5,861,068,433.87
  5. Step 5: Solve for x
    x = 5,861,068,433.87/88,355.36
  6. Step 6: Final answer
    x = 66,335.18

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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.