Home / 75,865.30-113,927.55-49,686.10

Finding the Fourth Proportional to 75,865.30, 113,927.55 and 49,686.10

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Solution

The fourth proportional to 75,865.30, 113,927.55 and 49,686.10 is: 74,614.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,865.30 : 113,927.55 = 49,686.10 : x
  2. Step 2: Convert to fraction form
    75,865.30/113,927.55 = 49,686.10/x
  3. Step 3: Cross multiply
    75,865.30x = 113,927.55 × 49,686.10
  4. Step 4: Simplify right side
    75,865.30x = 5,660,615,642.06
  5. Step 5: Solve for x
    x = 5,660,615,642.06/75,865.30
  6. Step 6: Final answer
    x = 74,614.03

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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.