Home / 88,200.09-121,633.11-68,025.02

Finding the Fourth Proportional to 88,200.09, 121,633.11 and 68,025.02

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Solution

The fourth proportional to 88,200.09, 121,633.11 and 68,025.02 is: 93,810.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,200.09 : 121,633.11 = 68,025.02 : x
  2. Step 2: Convert to fraction form
    88,200.09/121,633.11 = 68,025.02/x
  3. Step 3: Cross multiply
    88,200.09x = 121,633.11 × 68,025.02
  4. Step 4: Simplify right side
    88,200.09x = 8,274,094,132.25
  5. Step 5: Solve for x
    x = 8,274,094,132.25/88,200.09
  6. Step 6: Final answer
    x = 93,810.50

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1.5x scale

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.