Home / 62,439.20-93,658.80-43,412.30

Finding the Fourth Proportional to 62,439.20, 93,658.80 and 43,412.30

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Solution

The fourth proportional to 62,439.20, 93,658.80 and 43,412.30 is: 65,118.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,439.20 : 93,658.80 = 43,412.30 : x
  2. Step 2: Convert to fraction form
    62,439.20/93,658.80 = 43,412.30/x
  3. Step 3: Cross multiply
    62,439.20x = 93,658.80 × 43,412.30
  4. Step 4: Simplify right side
    62,439.20x = 4,065,943,923.24
  5. Step 5: Solve for x
    x = 4,065,943,923.24/62,439.20
  6. Step 6: Final answer
    x = 65,118.45

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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.