Home / 68,343.66-94,314.12-38,127.18

Finding the Fourth Proportional to 68,343.66, 94,314.12 and 38,127.18

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Solution

The fourth proportional to 68,343.66, 94,314.12 and 38,127.18 is: 52,615.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,343.66 : 94,314.12 = 38,127.18 : x
  2. Step 2: Convert to fraction form
    68,343.66/94,314.12 = 38,127.18/x
  3. Step 3: Cross multiply
    68,343.66x = 94,314.12 × 38,127.18
  4. Step 4: Simplify right side
    68,343.66x = 3,595,931,767.47
  5. Step 5: Solve for x
    x = 3,595,931,767.47/68,343.66
  6. Step 6: Final answer
    x = 52,615.44

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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.