Home / 84,825.20-117,047.76-47,092.16

Finding the Fourth Proportional to 84,825.20, 117,047.76 and 47,092.16

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Solution

The fourth proportional to 84,825.20, 117,047.76 and 47,092.16 is: 64,981.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,825.20 : 117,047.76 = 47,092.16 : x
  2. Step 2: Convert to fraction form
    84,825.20/117,047.76 = 47,092.16/x
  3. Step 3: Cross multiply
    84,825.20x = 117,047.76 × 47,092.16
  4. Step 4: Simplify right side
    84,825.20x = 5,512,031,841.56
  5. Step 5: Solve for x
    x = 5,512,031,841.56/84,825.20
  6. Step 6: Final answer
    x = 64,981.07

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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.