Home / 55,800.15-83,700.83-39,186.24

Finding the Fourth Proportional to 55,800.15, 83,700.83 and 39,186.24

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Solution

The fourth proportional to 55,800.15, 83,700.83 and 39,186.24 is: 58,779.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,800.15 : 83,700.83 = 39,186.24 : x
  2. Step 2: Convert to fraction form
    55,800.15/83,700.83 = 39,186.24/x
  3. Step 3: Cross multiply
    55,800.15x = 83,700.83 × 39,186.24
  4. Step 4: Simplify right side
    55,800.15x = 3,279,920,812.58
  5. Step 5: Solve for x
    x = 3,279,920,812.58/55,800.15
  6. Step 6: Final answer
    x = 58,779.78

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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.