Home / 88,407.28-122,000.36-48,121.84

Finding the Fourth Proportional to 88,407.28, 122,000.36 and 48,121.84

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Solution

The fourth proportional to 88,407.28, 122,000.36 and 48,121.84 is: 66,407.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,407.28 : 122,000.36 = 48,121.84 : x
  2. Step 2: Convert to fraction form
    88,407.28/122,000.36 = 48,121.84/x
  3. Step 3: Cross multiply
    88,407.28x = 122,000.36 × 48,121.84
  4. Step 4: Simplify right side
    88,407.28x = 5,870,881,803.86
  5. Step 5: Solve for x
    x = 5,870,881,803.86/88,407.28
  6. Step 6: Final answer
    x = 66,407.22

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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.