Home / 57,545.96-79,349.93-39,399.65

Finding the Fourth Proportional to 57,545.96, 79,349.93 and 39,399.65

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Solution

The fourth proportional to 57,545.96, 79,349.93 and 39,399.65 is: 54,328.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,545.96 : 79,349.93 = 39,399.65 : x
  2. Step 2: Convert to fraction form
    57,545.96/79,349.93 = 39,399.65/x
  3. Step 3: Cross multiply
    57,545.96x = 79,349.93 × 39,399.65
  4. Step 4: Simplify right side
    57,545.96x = 3,126,358,875.78
  5. Step 5: Solve for x
    x = 3,126,358,875.78/57,545.96
  6. Step 6: Final answer
    x = 54,328.04

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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.