Home / 88,259.66-121,794.76-47,972.50

Finding the Fourth Proportional to 88,259.66, 121,794.76 and 47,972.50

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Solution

The fourth proportional to 88,259.66, 121,794.76 and 47,972.50 is: 66,200.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,259.66 : 121,794.76 = 47,972.50 : x
  2. Step 2: Convert to fraction form
    88,259.66/121,794.76 = 47,972.50/x
  3. Step 3: Cross multiply
    88,259.66x = 121,794.76 × 47,972.50
  4. Step 4: Simplify right side
    88,259.66x = 5,842,799,124.10
  5. Step 5: Solve for x
    x = 5,842,799,124.10/88,259.66
  6. Step 6: Final answer
    x = 66,200.11

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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.