Home / 79,919.34-119,810.97-48,776.46

Finding the Fourth Proportional to 79,919.34, 119,810.97 and 48,776.46

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Solution

The fourth proportional to 79,919.34, 119,810.97 and 48,776.46 is: 73,123.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,919.34 : 119,810.97 = 48,776.46 : x
  2. Step 2: Convert to fraction form
    79,919.34/119,810.97 = 48,776.46/x
  3. Step 3: Cross multiply
    79,919.34x = 119,810.97 × 48,776.46
  4. Step 4: Simplify right side
    79,919.34x = 5,843,954,985.77
  5. Step 5: Solve for x
    x = 5,843,954,985.77/79,919.34
  6. Step 6: Final answer
    x = 73,123.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.