Home / 70,768.18-97,609.07-40,542.49

Finding the Fourth Proportional to 70,768.18, 97,609.07 and 40,542.49

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Solution

The fourth proportional to 70,768.18, 97,609.07 and 40,542.49 is: 55,919.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,768.18 : 97,609.07 = 40,542.49 : x
  2. Step 2: Convert to fraction form
    70,768.18/97,609.07 = 40,542.49/x
  3. Step 3: Cross multiply
    70,768.18x = 97,609.07 × 40,542.49
  4. Step 4: Simplify right side
    70,768.18x = 3,957,314,053.63
  5. Step 5: Solve for x
    x = 3,957,314,053.63/70,768.18
  6. Step 6: Final answer
    x = 55,919.40

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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.