Home / 82,554.18-113,889.40-49,862.17

Finding the Fourth Proportional to 82,554.18, 113,889.40 and 49,862.17

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Solution

The fourth proportional to 82,554.18, 113,889.40 and 49,862.17 is: 68,788.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,554.18 : 113,889.40 = 49,862.17 : x
  2. Step 2: Convert to fraction form
    82,554.18/113,889.40 = 49,862.17/x
  3. Step 3: Cross multiply
    82,554.18x = 113,889.40 × 49,862.17
  4. Step 4: Simplify right side
    82,554.18x = 5,678,772,624.00
  5. Step 5: Solve for x
    x = 5,678,772,624.00/82,554.18
  6. Step 6: Final answer
    x = 68,788.43

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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.