Home / 68,302.10-94,266.16-40,019.06

Finding the Fourth Proportional to 68,302.10, 94,266.16 and 40,019.06

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Solution

The fourth proportional to 68,302.10, 94,266.16 and 40,019.06 is: 55,231.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,302.10 : 94,266.16 = 40,019.06 : x
  2. Step 2: Convert to fraction form
    68,302.10/94,266.16 = 40,019.06/x
  3. Step 3: Cross multiply
    68,302.10x = 94,266.16 × 40,019.06
  4. Step 4: Simplify right side
    68,302.10x = 3,772,443,248.63
  5. Step 5: Solve for x
    x = 3,772,443,248.63/68,302.10
  6. Step 6: Final answer
    x = 55,231.73

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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.