Home / 68,723.97-94,837.86-38,509.20

Finding the Fourth Proportional to 68,723.97, 94,837.86 and 38,509.20

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Solution

The fourth proportional to 68,723.97, 94,837.86 and 38,509.20 is: 53,142.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,723.97 : 94,837.86 = 38,509.20 : x
  2. Step 2: Convert to fraction form
    68,723.97/94,837.86 = 38,509.20/x
  3. Step 3: Cross multiply
    68,723.97x = 94,837.86 × 38,509.20
  4. Step 4: Simplify right side
    68,723.97x = 3,652,130,118.31
  5. Step 5: Solve for x
    x = 3,652,130,118.31/68,723.97
  6. Step 6: Final answer
    x = 53,142.01

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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.