Home / 64,381.44-88,650.96-57,106.80

Finding the Fourth Proportional to 64,381.44, 88,650.96 and 57,106.80

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Solution

The fourth proportional to 64,381.44, 88,650.96 and 57,106.80 is: 78,634.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,381.44 : 88,650.96 = 57,106.80 : x
  2. Step 2: Convert to fraction form
    64,381.44/88,650.96 = 57,106.80/x
  3. Step 3: Cross multiply
    64,381.44x = 88,650.96 × 57,106.80
  4. Step 4: Simplify right side
    64,381.44x = 5,062,572,642.53
  5. Step 5: Solve for x
    x = 5,062,572,642.53/64,381.44
  6. Step 6: Final answer
    x = 78,634.04

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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.