Home / 70,744.85-97,627.45-40,123.79

Finding the Fourth Proportional to 70,744.85, 97,627.45 and 40,123.79

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Solution

The fourth proportional to 70,744.85, 97,627.45 and 40,123.79 is: 55,370.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,744.85 : 97,627.45 = 40,123.79 : x
  2. Step 2: Convert to fraction form
    70,744.85/97,627.45 = 40,123.79/x
  3. Step 3: Cross multiply
    70,744.85x = 97,627.45 × 40,123.79
  4. Step 4: Simplify right side
    70,744.85x = 3,917,183,302.04
  5. Step 5: Solve for x
    x = 3,917,183,302.04/70,744.85
  6. Step 6: Final answer
    x = 55,370.58

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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.