Home / 72,069.06-108,109.35-25,332.42

Finding the Fourth Proportional to 72,069.06, 108,109.35 and 25,332.42

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Solution

The fourth proportional to 72,069.06, 108,109.35 and 25,332.42 is: 38,000.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,069.06 : 108,109.35 = 25,332.42 : x
  2. Step 2: Convert to fraction form
    72,069.06/108,109.35 = 25,332.42/x
  3. Step 3: Cross multiply
    72,069.06x = 108,109.35 × 25,332.42
  4. Step 4: Simplify right side
    72,069.06x = 2,738,671,460.13
  5. Step 5: Solve for x
    x = 2,738,671,460.13/72,069.06
  6. Step 6: Final answer
    x = 38,000.65

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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.