Home / 70,534.67-97,343.89-38,709.72

Finding the Fourth Proportional to 70,534.67, 97,343.89 and 38,709.72

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Solution

The fourth proportional to 70,534.67, 97,343.89 and 38,709.72 is: 53,422.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,534.67 : 97,343.89 = 38,709.72 : x
  2. Step 2: Convert to fraction form
    70,534.67/97,343.89 = 38,709.72/x
  3. Step 3: Cross multiply
    70,534.67x = 97,343.89 × 38,709.72
  4. Step 4: Simplify right side
    70,534.67x = 3,768,154,628.84
  5. Step 5: Solve for x
    x = 3,768,154,628.84/70,534.67
  6. Step 6: Final answer
    x = 53,422.73

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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.