Home / 86,478.80-119,327.02-48,745.76

Finding the Fourth Proportional to 86,478.80, 119,327.02 and 48,745.76

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Solution

The fourth proportional to 86,478.80, 119,327.02 and 48,745.76 is: 67,261.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,478.80 : 119,327.02 = 48,745.76 : x
  2. Step 2: Convert to fraction form
    86,478.80/119,327.02 = 48,745.76/x
  3. Step 3: Cross multiply
    86,478.80x = 119,327.02 × 48,745.76
  4. Step 4: Simplify right side
    86,478.80x = 5,816,686,278.44
  5. Step 5: Solve for x
    x = 5,816,686,278.44/86,478.80
  6. Step 6: Final answer
    x = 67,261.41

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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.