Home / 68,714.11-94,823.81-38,500.70

Finding the Fourth Proportional to 68,714.11, 94,823.81 and 38,500.70

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Solution

The fourth proportional to 68,714.11, 94,823.81 and 38,500.70 is: 53,130.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,714.11 : 94,823.81 = 38,500.70 : x
  2. Step 2: Convert to fraction form
    68,714.11/94,823.81 = 38,500.70/x
  3. Step 3: Cross multiply
    68,714.11x = 94,823.81 × 38,500.70
  4. Step 4: Simplify right side
    68,714.11x = 3,650,783,061.67
  5. Step 5: Solve for x
    x = 3,650,783,061.67/68,714.11
  6. Step 6: Final answer
    x = 53,130.04

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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.