Home / 73,511.10-110,266.65-42,320.70

Finding the Fourth Proportional to 73,511.10, 110,266.65 and 42,320.70

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Solution

The fourth proportional to 73,511.10, 110,266.65 and 42,320.70 is: 63,481.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,511.10 : 110,266.65 = 42,320.70 : x
  2. Step 2: Convert to fraction form
    73,511.10/110,266.65 = 42,320.70/x
  3. Step 3: Cross multiply
    73,511.10x = 110,266.65 × 42,320.70
  4. Step 4: Simplify right side
    73,511.10x = 4,666,561,814.66
  5. Step 5: Solve for x
    x = 4,666,561,814.66/73,511.10
  6. Step 6: Final answer
    x = 63,481.05

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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.