Home / 72,069.31-108,109.73-25,332.67

Finding the Fourth Proportional to 72,069.31, 108,109.73 and 25,332.67

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Solution

The fourth proportional to 72,069.31, 108,109.73 and 25,332.67 is: 38,001.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,069.31 : 108,109.73 = 25,332.67 : x
  2. Step 2: Convert to fraction form
    72,069.31/108,109.73 = 25,332.67/x
  3. Step 3: Cross multiply
    72,069.31x = 108,109.73 × 25,332.67
  4. Step 4: Simplify right side
    72,069.31x = 2,738,708,113.88
  5. Step 5: Solve for x
    x = 2,738,708,113.88/72,069.31
  6. Step 6: Final answer
    x = 38,001.03

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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.