Home / 80,088.20-110,503.32-47,816.52

Finding the Fourth Proportional to 80,088.20, 110,503.32 and 47,816.52

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Solution

The fourth proportional to 80,088.20, 110,503.32 and 47,816.52 is: 65,975.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,088.20 : 110,503.32 = 47,816.52 : x
  2. Step 2: Convert to fraction form
    80,088.20/110,503.32 = 47,816.52/x
  3. Step 3: Cross multiply
    80,088.20x = 110,503.32 × 47,816.52
  4. Step 4: Simplify right side
    80,088.20x = 5,283,884,210.85
  5. Step 5: Solve for x
    x = 5,283,884,210.85/80,088.20
  6. Step 6: Final answer
    x = 65,975.82

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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.