Home / 83,516.16-115,257.02-49,544.76

Finding the Fourth Proportional to 83,516.16, 115,257.02 and 49,544.76

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Solution

The fourth proportional to 83,516.16, 115,257.02 and 49,544.76 is: 68,374.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,516.16 : 115,257.02 = 49,544.76 : x
  2. Step 2: Convert to fraction form
    83,516.16/115,257.02 = 49,544.76/x
  3. Step 3: Cross multiply
    83,516.16x = 115,257.02 × 49,544.76
  4. Step 4: Simplify right side
    83,516.16x = 5,710,381,146.49
  5. Step 5: Solve for x
    x = 5,710,381,146.49/83,516.16
  6. Step 6: Final answer
    x = 68,374.57

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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.