Home / 66,909.96-92,332.62-38,624.76

Finding the Fourth Proportional to 66,909.96, 92,332.62 and 38,624.76

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Solution

The fourth proportional to 66,909.96, 92,332.62 and 38,624.76 is: 53,300.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,909.96 : 92,332.62 = 38,624.76 : x
  2. Step 2: Convert to fraction form
    66,909.96/92,332.62 = 38,624.76/x
  3. Step 3: Cross multiply
    66,909.96x = 92,332.62 × 38,624.76
  4. Step 4: Simplify right side
    66,909.96x = 3,566,325,287.67
  5. Step 5: Solve for x
    x = 3,566,325,287.67/66,909.96
  6. Step 6: Final answer
    x = 53,300.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.