Home / 70,412.33-97,168.50-38,146.25

Finding the Fourth Proportional to 70,412.33, 97,168.50 and 38,146.25

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Solution

The fourth proportional to 70,412.33, 97,168.50 and 38,146.25 is: 52,641.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,412.33 : 97,168.50 = 38,146.25 : x
  2. Step 2: Convert to fraction form
    70,412.33/97,168.50 = 38,146.25/x
  3. Step 3: Cross multiply
    70,412.33x = 97,168.50 × 38,146.25
  4. Step 4: Simplify right side
    70,412.33x = 3,706,613,407.28
  5. Step 5: Solve for x
    x = 3,706,613,407.28/70,412.33
  6. Step 6: Final answer
    x = 52,641.54

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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.