Home / 57,740.10-86,610.15-39,029.10

Finding the Fourth Proportional to 57,740.10, 86,610.15 and 39,029.10

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Solution

The fourth proportional to 57,740.10, 86,610.15 and 39,029.10 is: 58,543.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,740.10 : 86,610.15 = 39,029.10 : x
  2. Step 2: Convert to fraction form
    57,740.10/86,610.15 = 39,029.10/x
  3. Step 3: Cross multiply
    57,740.10x = 86,610.15 × 39,029.10
  4. Step 4: Simplify right side
    57,740.10x = 3,380,316,205.37
  5. Step 5: Solve for x
    x = 3,380,316,205.37/57,740.10
  6. Step 6: Final answer
    x = 58,543.65

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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.