Home / 67,011.96-92,478.66-38,717.65

Finding the Fourth Proportional to 67,011.96, 92,478.66 and 38,717.65

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Solution

The fourth proportional to 67,011.96, 92,478.66 and 38,717.65 is: 53,431.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,011.96 : 92,478.66 = 38,717.65 : x
  2. Step 2: Convert to fraction form
    67,011.96/92,478.66 = 38,717.65/x
  3. Step 3: Cross multiply
    67,011.96x = 92,478.66 × 38,717.65
  4. Step 4: Simplify right side
    67,011.96x = 3,580,556,058.35
  5. Step 5: Solve for x
    x = 3,580,556,058.35/67,011.96
  6. Step 6: Final answer
    x = 53,431.60

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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.