Home / 83,433.47-115,137.50-45,192.13

Finding the Fourth Proportional to 83,433.47, 115,137.50 and 45,192.13

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Solution

The fourth proportional to 83,433.47, 115,137.50 and 45,192.13 is: 62,364.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,433.47 : 115,137.50 = 45,192.13 : x
  2. Step 2: Convert to fraction form
    83,433.47/115,137.50 = 45,192.13/x
  3. Step 3: Cross multiply
    83,433.47x = 115,137.50 × 45,192.13
  4. Step 4: Simplify right side
    83,433.47x = 5,203,308,608.28
  5. Step 5: Solve for x
    x = 5,203,308,608.28/83,433.47
  6. Step 6: Final answer
    x = 62,364.76

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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.