Home / 70,344.03-97,074.75-38,512.92

Finding the Fourth Proportional to 70,344.03, 97,074.75 and 38,512.92

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Solution

The fourth proportional to 70,344.03, 97,074.75 and 38,512.92 is: 53,147.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,344.03 : 97,074.75 = 38,512.92 : x
  2. Step 2: Convert to fraction form
    70,344.03/97,074.75 = 38,512.92/x
  3. Step 3: Cross multiply
    70,344.03x = 97,074.75 × 38,512.92
  4. Step 4: Simplify right side
    70,344.03x = 3,738,632,080.77
  5. Step 5: Solve for x
    x = 3,738,632,080.77/70,344.03
  6. Step 6: Final answer
    x = 53,147.82

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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.