Home / 83,009.15-114,552.37-45,283.13

Finding the Fourth Proportional to 83,009.15, 114,552.37 and 45,283.13

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Solution

The fourth proportional to 83,009.15, 114,552.37 and 45,283.13 is: 62,490.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,009.15 : 114,552.37 = 45,283.13 : x
  2. Step 2: Convert to fraction form
    83,009.15/114,552.37 = 45,283.13/x
  3. Step 3: Cross multiply
    83,009.15x = 114,552.37 × 45,283.13
  4. Step 4: Simplify right side
    83,009.15x = 5,187,289,862.52
  5. Step 5: Solve for x
    x = 5,187,289,862.52/83,009.15
  6. Step 6: Final answer
    x = 62,490.58

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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.