Home / 68,357.10-94,330.50-40,062.18

Finding the Fourth Proportional to 68,357.10, 94,330.50 and 40,062.18

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Solution

The fourth proportional to 68,357.10, 94,330.50 and 40,062.18 is: 55,284.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,357.10 : 94,330.50 = 40,062.18 : x
  2. Step 2: Convert to fraction form
    68,357.10/94,330.50 = 40,062.18/x
  3. Step 3: Cross multiply
    68,357.10x = 94,330.50 × 40,062.18
  4. Step 4: Simplify right side
    68,357.10x = 3,779,085,470.49
  5. Step 5: Solve for x
    x = 3,779,085,470.49/68,357.10
  6. Step 6: Final answer
    x = 55,284.46

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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.