Home / 63,861.12-88,214.40-57,899.52

Finding the Fourth Proportional to 63,861.12, 88,214.40 and 57,899.52

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Solution

The fourth proportional to 63,861.12, 88,214.40 and 57,899.52 is: 79,979.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,861.12 : 88,214.40 = 57,899.52 : x
  2. Step 2: Convert to fraction form
    63,861.12/88,214.40 = 57,899.52/x
  3. Step 3: Cross multiply
    63,861.12x = 88,214.40 × 57,899.52
  4. Step 4: Simplify right side
    63,861.12x = 5,107,571,417.09
  5. Step 5: Solve for x
    x = 5,107,571,417.09/63,861.12
  6. Step 6: Final answer
    x = 79,979.36

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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.