Home / 84,529.08-126,756.12-25,353.72

Finding the Fourth Proportional to 84,529.08, 126,756.12 and 25,353.72

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Solution

The fourth proportional to 84,529.08, 126,756.12 and 25,353.72 is: 38,019.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,529.08 : 126,756.12 = 25,353.72 : x
  2. Step 2: Convert to fraction form
    84,529.08/126,756.12 = 25,353.72/x
  3. Step 3: Cross multiply
    84,529.08x = 126,756.12 × 25,353.72
  4. Step 4: Simplify right side
    84,529.08x = 3,213,739,174.77
  5. Step 5: Solve for x
    x = 3,213,739,174.77/84,529.08
  6. Step 6: Final answer
    x = 38,019.33

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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.