Home / 101,822.16-152,483.92-71,762.52

Finding the Fourth Proportional to 101,822.16, 152,483.92 and 71,762.52

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Solution

The fourth proportional to 101,822.16, 152,483.92 and 71,762.52 is: 107,468.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,822.16 : 152,483.92 = 71,762.52 : x
  2. Step 2: Convert to fraction form
    101,822.16/152,483.92 = 71,762.52/x
  3. Step 3: Cross multiply
    101,822.16x = 152,483.92 × 71,762.52
  4. Step 4: Simplify right side
    101,822.16x = 10,942,630,358.68
  5. Step 5: Solve for x
    x = 10,942,630,358.68/101,822.16
  6. Step 6: Final answer
    x = 107,468.06

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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.