Home / 68,711.04-94,818.72-38,495.04

Finding the Fourth Proportional to 68,711.04, 94,818.72 and 38,495.04

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Solution

The fourth proportional to 68,711.04, 94,818.72 and 38,495.04 is: 53,121.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,711.04 : 94,818.72 = 38,495.04 : x
  2. Step 2: Convert to fraction form
    68,711.04/94,818.72 = 38,495.04/x
  3. Step 3: Cross multiply
    68,711.04x = 94,818.72 × 38,495.04
  4. Step 4: Simplify right side
    68,711.04x = 3,650,050,419.15
  5. Step 5: Solve for x
    x = 3,650,050,419.15/68,711.04
  6. Step 6: Final answer
    x = 53,121.75

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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.