Home / 61,186.10-91,846.19-48,616.65

Finding the Fourth Proportional to 61,186.10, 91,846.19 and 48,616.65

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Solution

The fourth proportional to 61,186.10, 91,846.19 and 48,616.65 is: 72,978.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,186.10 : 91,846.19 = 48,616.65 : x
  2. Step 2: Convert to fraction form
    61,186.10/91,846.19 = 48,616.65/x
  3. Step 3: Cross multiply
    61,186.10x = 91,846.19 × 48,616.65
  4. Step 4: Simplify right side
    61,186.10x = 4,465,254,012.29
  5. Step 5: Solve for x
    x = 4,465,254,012.29/61,186.10
  6. Step 6: Final answer
    x = 72,978.25

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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.