Home / 69,618.44-96,074.88-39,403.76

Finding the Fourth Proportional to 69,618.44, 96,074.88 and 39,403.76

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Solution

The fourth proportional to 69,618.44, 96,074.88 and 39,403.76 is: 54,378.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,618.44 : 96,074.88 = 39,403.76 : x
  2. Step 2: Convert to fraction form
    69,618.44/96,074.88 = 39,403.76/x
  3. Step 3: Cross multiply
    69,618.44x = 96,074.88 × 39,403.76
  4. Step 4: Simplify right side
    69,618.44x = 3,785,711,513.55
  5. Step 5: Solve for x
    x = 3,785,711,513.55/69,618.44
  6. Step 6: Final answer
    x = 54,378.00

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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.