Home / 57,006.18-85,526.42-40,398.21

Finding the Fourth Proportional to 57,006.18, 85,526.42 and 40,398.21

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Solution

The fourth proportional to 57,006.18, 85,526.42 and 40,398.21 is: 60,609.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,006.18 : 85,526.42 = 40,398.21 : x
  2. Step 2: Convert to fraction form
    57,006.18/85,526.42 = 40,398.21/x
  3. Step 3: Cross multiply
    57,006.18x = 85,526.42 × 40,398.21
  4. Step 4: Simplify right side
    57,006.18x = 3,455,114,073.72
  5. Step 5: Solve for x
    x = 3,455,114,073.72/57,006.18
  6. Step 6: Final answer
    x = 60,609.47

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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.