Home / 51,547.68-71,137.54-49,185.72

Finding the Fourth Proportional to 51,547.68, 71,137.54 and 49,185.72

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Solution

The fourth proportional to 51,547.68, 71,137.54 and 49,185.72 is: 67,877.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,547.68 : 71,137.54 = 49,185.72 : x
  2. Step 2: Convert to fraction form
    51,547.68/71,137.54 = 49,185.72/x
  3. Step 3: Cross multiply
    51,547.68x = 71,137.54 × 49,185.72
  4. Step 4: Simplify right side
    51,547.68x = 3,498,951,123.93
  5. Step 5: Solve for x
    x = 3,498,951,123.93/51,547.68
  6. Step 6: Final answer
    x = 67,877.96

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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.