Home / 70,788.42-97,686.06-40,167.09

Finding the Fourth Proportional to 70,788.42, 97,686.06 and 40,167.09

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Solution

The fourth proportional to 70,788.42, 97,686.06 and 40,167.09 is: 55,429.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,788.42 : 97,686.06 = 40,167.09 : x
  2. Step 2: Convert to fraction form
    70,788.42/97,686.06 = 40,167.09/x
  3. Step 3: Cross multiply
    70,788.42x = 97,686.06 × 40,167.09
  4. Step 4: Simplify right side
    70,788.42x = 3,923,764,763.77
  5. Step 5: Solve for x
    x = 3,923,764,763.77/70,788.42
  6. Step 6: Final answer
    x = 55,429.47

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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.