Home / 70,579.08-97,398.38-38,747.16

Finding the Fourth Proportional to 70,579.08, 97,398.38 and 38,747.16

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Solution

The fourth proportional to 70,579.08, 97,398.38 and 38,747.16 is: 53,470.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,579.08 : 97,398.38 = 38,747.16 : x
  2. Step 2: Convert to fraction form
    70,579.08/97,398.38 = 38,747.16/x
  3. Step 3: Cross multiply
    70,579.08x = 97,398.38 × 38,747.16
  4. Step 4: Simplify right side
    70,579.08x = 3,773,910,613.60
  5. Step 5: Solve for x
    x = 3,773,910,613.60/70,579.08
  6. Step 6: Final answer
    x = 53,470.67

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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.