Home / 86,974.20-130,364.10-49,552.20

Finding the Fourth Proportional to 86,974.20, 130,364.10 and 49,552.20

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Solution

The fourth proportional to 86,974.20, 130,364.10 and 49,552.20 is: 74,272.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,974.20 : 130,364.10 = 49,552.20 : x
  2. Step 2: Convert to fraction form
    86,974.20/130,364.10 = 49,552.20/x
  3. Step 3: Cross multiply
    86,974.20x = 130,364.10 × 49,552.20
  4. Step 4: Simplify right side
    86,974.20x = 6,459,827,956.02
  5. Step 5: Solve for x
    x = 6,459,827,956.02/86,974.20
  6. Step 6: Final answer
    x = 74,272.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.