Home / 70,744.25-97,627.88-38,913.38

Finding the Fourth Proportional to 70,744.25, 97,627.88 and 38,913.38

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Solution

The fourth proportional to 70,744.25, 97,627.88 and 38,913.38 is: 53,700.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,744.25 : 97,627.88 = 38,913.38 : x
  2. Step 2: Convert to fraction form
    70,744.25/97,627.88 = 38,913.38/x
  3. Step 3: Cross multiply
    70,744.25x = 97,627.88 × 38,913.38
  4. Step 4: Simplify right side
    70,744.25x = 3,799,030,110.33
  5. Step 5: Solve for x
    x = 3,799,030,110.33/70,744.25
  6. Step 6: Final answer
    x = 53,700.91

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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.