Home / 70,343.35-97,073.78-38,512.24

Finding the Fourth Proportional to 70,343.35, 97,073.78 and 38,512.24

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Solution

The fourth proportional to 70,343.35, 97,073.78 and 38,512.24 is: 53,146.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,343.35 : 97,073.78 = 38,512.24 : x
  2. Step 2: Convert to fraction form
    70,343.35/97,073.78 = 38,512.24/x
  3. Step 3: Cross multiply
    70,343.35x = 97,073.78 × 38,512.24
  4. Step 4: Simplify right side
    70,343.35x = 3,738,528,277.82
  5. Step 5: Solve for x
    x = 3,738,528,277.82/70,343.35
  6. Step 6: Final answer
    x = 53,146.86

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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.