Home / 70,459.39-97,231.38-38,627.59

Finding the Fourth Proportional to 70,459.39, 97,231.38 and 38,627.59

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Solution

The fourth proportional to 70,459.39, 97,231.38 and 38,627.59 is: 53,304.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,459.39 : 97,231.38 = 38,627.59 : x
  2. Step 2: Convert to fraction form
    70,459.39/97,231.38 = 38,627.59/x
  3. Step 3: Cross multiply
    70,459.39x = 97,231.38 × 38,627.59
  4. Step 4: Simplify right side
    70,459.39x = 3,755,813,881.77
  5. Step 5: Solve for x
    x = 3,755,813,881.77/70,459.39
  6. Step 6: Final answer
    x = 53,304.66

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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.