Home / 83,607.24-115,378.92-45,880.68

Finding the Fourth Proportional to 83,607.24, 115,378.92 and 45,880.68

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Solution

The fourth proportional to 83,607.24, 115,378.92 and 45,880.68 is: 63,315.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,607.24 : 115,378.92 = 45,880.68 : x
  2. Step 2: Convert to fraction form
    83,607.24/115,378.92 = 45,880.68/x
  3. Step 3: Cross multiply
    83,607.24x = 115,378.92 × 45,880.68
  4. Step 4: Simplify right side
    83,607.24x = 5,293,663,307.27
  5. Step 5: Solve for x
    x = 5,293,663,307.27/83,607.24
  6. Step 6: Final answer
    x = 63,315.85

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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.