Home / 83,192.64-114,803.28-47,387.76

Finding the Fourth Proportional to 83,192.64, 114,803.28 and 47,387.76

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Solution

The fourth proportional to 83,192.64, 114,803.28 and 47,387.76 is: 65,393.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,192.64 : 114,803.28 = 47,387.76 : x
  2. Step 2: Convert to fraction form
    83,192.64/114,803.28 = 47,387.76/x
  3. Step 3: Cross multiply
    83,192.64x = 114,803.28 × 47,387.76
  4. Step 4: Simplify right side
    83,192.64x = 5,440,270,279.85
  5. Step 5: Solve for x
    x = 5,440,270,279.85/83,192.64
  6. Step 6: Final answer
    x = 65,393.65

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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.