Home / 57,109.23-85,681.37-25,545.87

Finding the Fourth Proportional to 57,109.23, 85,681.37 and 25,545.87

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Solution

The fourth proportional to 57,109.23, 85,681.37 and 25,545.87 is: 38,326.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,109.23 : 85,681.37 = 25,545.87 : x
  2. Step 2: Convert to fraction form
    57,109.23/85,681.37 = 25,545.87/x
  3. Step 3: Cross multiply
    57,109.23x = 85,681.37 × 25,545.87
  4. Step 4: Simplify right side
    57,109.23x = 2,188,805,203.31
  5. Step 5: Solve for x
    x = 2,188,805,203.31/57,109.23
  6. Step 6: Final answer
    x = 38,326.65

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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.