Home / 101,031.04-151,530.24-47,722.90

Finding the Fourth Proportional to 101,031.04, 151,530.24 and 47,722.90

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Solution

The fourth proportional to 101,031.04, 151,530.24 and 47,722.90 is: 71,576.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,031.04 : 151,530.24 = 47,722.90 : x
  2. Step 2: Convert to fraction form
    101,031.04/151,530.24 = 47,722.90/x
  3. Step 3: Cross multiply
    101,031.04x = 151,530.24 × 47,722.90
  4. Step 4: Simplify right side
    101,031.04x = 7,231,462,490.50
  5. Step 5: Solve for x
    x = 7,231,462,490.50/101,031.04
  6. Step 6: Final answer
    x = 71,576.64

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1.5x scale

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.