Home / 66,308.28-98,986.38-56,342.04

Finding the Fourth Proportional to 66,308.28, 98,986.38 and 56,342.04

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Solution

The fourth proportional to 66,308.28, 98,986.38 and 56,342.04 is: 84,108.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,308.28 : 98,986.38 = 56,342.04 : x
  2. Step 2: Convert to fraction form
    66,308.28/98,986.38 = 56,342.04/x
  3. Step 3: Cross multiply
    66,308.28x = 98,986.38 × 56,342.04
  4. Step 4: Simplify right side
    66,308.28x = 5,577,094,581.42
  5. Step 5: Solve for x
    x = 5,577,094,581.42/66,308.28
  6. Step 6: Final answer
    x = 84,108.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.