Home / 86,961.02-120,002.76-49,235.26

Finding the Fourth Proportional to 86,961.02, 120,002.76 and 49,235.26

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Solution

The fourth proportional to 86,961.02, 120,002.76 and 49,235.26 is: 67,942.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,961.02 : 120,002.76 = 49,235.26 : x
  2. Step 2: Convert to fraction form
    86,961.02/120,002.76 = 49,235.26/x
  3. Step 3: Cross multiply
    86,961.02x = 120,002.76 × 49,235.26
  4. Step 4: Simplify right side
    86,961.02x = 5,908,367,089.32
  5. Step 5: Solve for x
    x = 5,908,367,089.32/86,961.02
  6. Step 6: Final answer
    x = 67,942.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.