Home / 70,861.38-97,786.66-38,595.26

Finding the Fourth Proportional to 70,861.38, 97,786.66 and 38,595.26

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Solution

The fourth proportional to 70,861.38, 97,786.66 and 38,595.26 is: 53,260.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,861.38 : 97,786.66 = 38,595.26 : x
  2. Step 2: Convert to fraction form
    70,861.38/97,786.66 = 38,595.26/x
  3. Step 3: Cross multiply
    70,861.38x = 97,786.66 × 38,595.26
  4. Step 4: Simplify right side
    70,861.38x = 3,774,101,567.23
  5. Step 5: Solve for x
    x = 3,774,101,567.23/70,861.38
  6. Step 6: Final answer
    x = 53,260.35

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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.