Home / 63,954.56-88,313.02-40,122.20

Finding the Fourth Proportional to 63,954.56, 88,313.02 and 40,122.20

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Solution

The fourth proportional to 63,954.56, 88,313.02 and 40,122.20 is: 55,403.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,954.56 : 88,313.02 = 40,122.20 : x
  2. Step 2: Convert to fraction form
    63,954.56/88,313.02 = 40,122.20/x
  3. Step 3: Cross multiply
    63,954.56x = 88,313.02 × 40,122.20
  4. Step 4: Simplify right side
    63,954.56x = 3,543,312,651.04
  5. Step 5: Solve for x
    x = 3,543,312,651.04/63,954.56
  6. Step 6: Final answer
    x = 55,403.60

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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.