Home / 83,045.47-114,603.11-45,320.53

Finding the Fourth Proportional to 83,045.47, 114,603.11 and 45,320.53

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Solution

The fourth proportional to 83,045.47, 114,603.11 and 45,320.53 is: 62,542.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,045.47 : 114,603.11 = 45,320.53 : x
  2. Step 2: Convert to fraction form
    83,045.47/114,603.11 = 45,320.53/x
  3. Step 3: Cross multiply
    83,045.47x = 114,603.11 × 45,320.53
  4. Step 4: Simplify right side
    83,045.47x = 5,193,873,684.85
  5. Step 5: Solve for x
    x = 5,193,873,684.85/83,045.47
  6. Step 6: Final answer
    x = 62,542.53

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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.