Home / 70,209.76-96,860.46-49,001.44

Finding the Fourth Proportional to 70,209.76, 96,860.46 and 49,001.44

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Solution

The fourth proportional to 70,209.76, 96,860.46 and 49,001.44 is: 67,601.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,209.76 : 96,860.46 = 49,001.44 : x
  2. Step 2: Convert to fraction form
    70,209.76/96,860.46 = 49,001.44/x
  3. Step 3: Cross multiply
    70,209.76x = 96,860.46 × 49,001.44
  4. Step 4: Simplify right side
    70,209.76x = 4,746,302,019.06
  5. Step 5: Solve for x
    x = 4,746,302,019.06/70,209.76
  6. Step 6: Final answer
    x = 67,601.74

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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.