Home / 67,143.51-100,624.53-25,567.83

Finding the Fourth Proportional to 67,143.51, 100,624.53 and 25,567.83

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Solution

The fourth proportional to 67,143.51, 100,624.53 and 25,567.83 is: 38,317.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,143.51 : 100,624.53 = 25,567.83 : x
  2. Step 2: Convert to fraction form
    67,143.51/100,624.53 = 25,567.83/x
  3. Step 3: Cross multiply
    67,143.51x = 100,624.53 × 25,567.83
  4. Step 4: Simplify right side
    67,143.51x = 2,572,750,876.87
  5. Step 5: Solve for x
    x = 2,572,750,876.87/67,143.51
  6. Step 6: Final answer
    x = 38,317.19

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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.