Home / 73,946.90-102,057.30-42,118.76

Finding the Fourth Proportional to 73,946.90, 102,057.30 and 42,118.76

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Solution

The fourth proportional to 73,946.90, 102,057.30 and 42,118.76 is: 58,129.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,946.90 : 102,057.30 = 42,118.76 : x
  2. Step 2: Convert to fraction form
    73,946.90/102,057.30 = 42,118.76/x
  3. Step 3: Cross multiply
    73,946.90x = 102,057.30 × 42,118.76
  4. Step 4: Simplify right side
    73,946.90x = 4,298,526,924.95
  5. Step 5: Solve for x
    x = 4,298,526,924.95/73,946.90
  6. Step 6: Final answer
    x = 58,129.91

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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.