Home / 70,428.23-97,191.72-38,596.43

Finding the Fourth Proportional to 70,428.23, 97,191.72 and 38,596.43

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Solution

The fourth proportional to 70,428.23, 97,191.72 and 38,596.43 is: 53,263.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,428.23 : 97,191.72 = 38,596.43 : x
  2. Step 2: Convert to fraction form
    70,428.23/97,191.72 = 38,596.43/x
  3. Step 3: Cross multiply
    70,428.23x = 97,191.72 × 38,596.43
  4. Step 4: Simplify right side
    70,428.23x = 3,751,253,417.56
  5. Step 5: Solve for x
    x = 3,751,253,417.56/70,428.23
  6. Step 6: Final answer
    x = 53,263.49

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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.