Home / 88,000.13-121,440.44-47,713.91

Finding the Fourth Proportional to 88,000.13, 121,440.44 and 47,713.91

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Solution

The fourth proportional to 88,000.13, 121,440.44 and 47,713.91 is: 65,845.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,000.13 : 121,440.44 = 47,713.91 : x
  2. Step 2: Convert to fraction form
    88,000.13/121,440.44 = 47,713.91/x
  3. Step 3: Cross multiply
    88,000.13x = 121,440.44 × 47,713.91
  4. Step 4: Simplify right side
    88,000.13x = 5,794,397,736.60
  5. Step 5: Solve for x
    x = 5,794,397,736.60/88,000.13
  6. Step 6: Final answer
    x = 65,845.33

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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.