Home / 68,909.47-95,103.48-38,696.07

Finding the Fourth Proportional to 68,909.47, 95,103.48 and 38,696.07

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Solution

The fourth proportional to 68,909.47, 95,103.48 and 38,696.07 is: 53,405.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,909.47 : 95,103.48 = 38,696.07 : x
  2. Step 2: Convert to fraction form
    68,909.47/95,103.48 = 38,696.07/x
  3. Step 3: Cross multiply
    68,909.47x = 95,103.48 × 38,696.07
  4. Step 4: Simplify right side
    68,909.47x = 3,680,130,919.32
  5. Step 5: Solve for x
    x = 3,680,130,919.32/68,909.47
  6. Step 6: Final answer
    x = 53,405.30

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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.