Home / 65,480.96-90,340.02-42,832.86

Finding the Fourth Proportional to 65,480.96, 90,340.02 and 42,832.86

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Solution

The fourth proportional to 65,480.96, 90,340.02 and 42,832.86 is: 59,093.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,480.96 : 90,340.02 = 42,832.86 : x
  2. Step 2: Convert to fraction form
    65,480.96/90,340.02 = 42,832.86/x
  3. Step 3: Cross multiply
    65,480.96x = 90,340.02 × 42,832.86
  4. Step 4: Simplify right side
    65,480.96x = 3,869,521,429.06
  5. Step 5: Solve for x
    x = 3,869,521,429.06/65,480.96
  6. Step 6: Final answer
    x = 59,093.85

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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.