Home / 75,346.38-113,040.36-61,271.55

Finding the Fourth Proportional to 75,346.38, 113,040.36 and 61,271.55

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Solution

The fourth proportional to 75,346.38, 113,040.36 and 61,271.55 is: 91,924.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,346.38 : 113,040.36 = 61,271.55 : x
  2. Step 2: Convert to fraction form
    75,346.38/113,040.36 = 61,271.55/x
  3. Step 3: Cross multiply
    75,346.38x = 113,040.36 × 61,271.55
  4. Step 4: Simplify right side
    75,346.38x = 6,926,158,069.76
  5. Step 5: Solve for x
    x = 6,926,158,069.76/75,346.38
  6. Step 6: Final answer
    x = 91,924.23

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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.