Home / 68,230.16-94,164.52-38,020.40

Finding the Fourth Proportional to 68,230.16, 94,164.52 and 38,020.40

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Solution

The fourth proportional to 68,230.16, 94,164.52 and 38,020.40 is: 52,472.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,230.16 : 94,164.52 = 38,020.40 : x
  2. Step 2: Convert to fraction form
    68,230.16/94,164.52 = 38,020.40/x
  3. Step 3: Cross multiply
    68,230.16x = 94,164.52 × 38,020.40
  4. Step 4: Simplify right side
    68,230.16x = 3,580,172,716.21
  5. Step 5: Solve for x
    x = 3,580,172,716.21/68,230.16
  6. Step 6: Final answer
    x = 52,472.00

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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.