Home / 70,416.38-97,176.85-38,587.23

Finding the Fourth Proportional to 70,416.38, 97,176.85 and 38,587.23

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Solution

The fourth proportional to 70,416.38, 97,176.85 and 38,587.23 is: 53,251.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,416.38 : 97,176.85 = 38,587.23 : x
  2. Step 2: Convert to fraction form
    70,416.38/97,176.85 = 38,587.23/x
  3. Step 3: Cross multiply
    70,416.38x = 97,176.85 × 38,587.23
  4. Step 4: Simplify right side
    70,416.38x = 3,749,785,365.16
  5. Step 5: Solve for x
    x = 3,749,785,365.16/70,416.38
  6. Step 6: Final answer
    x = 53,251.60

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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.