Home / 79,177.74-109,265.30-43,368.35

Finding the Fourth Proportional to 79,177.74, 109,265.30 and 43,368.35

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Solution

The fourth proportional to 79,177.74, 109,265.30 and 43,368.35 is: 59,848.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,177.74 : 109,265.30 = 43,368.35 : x
  2. Step 2: Convert to fraction form
    79,177.74/109,265.30 = 43,368.35/x
  3. Step 3: Cross multiply
    79,177.74x = 109,265.30 × 43,368.35
  4. Step 4: Simplify right side
    79,177.74x = 4,738,655,416.67
  5. Step 5: Solve for x
    x = 4,738,655,416.67/79,177.74
  6. Step 6: Final answer
    x = 59,848.33

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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.