Home / 73,972.88-101,867.56-64,278.26

Finding the Fourth Proportional to 73,972.88, 101,867.56 and 64,278.26

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Solution

The fourth proportional to 73,972.88, 101,867.56 and 64,278.26 is: 88,517.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,972.88 : 101,867.56 = 64,278.26 : x
  2. Step 2: Convert to fraction form
    73,972.88/101,867.56 = 64,278.26/x
  3. Step 3: Cross multiply
    73,972.88x = 101,867.56 × 64,278.26
  4. Step 4: Simplify right side
    73,972.88x = 6,547,869,507.25
  5. Step 5: Solve for x
    x = 6,547,869,507.25/73,972.88
  6. Step 6: Final answer
    x = 88,517.16

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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.