Home / 77,455.11-106,888.62-50,581.74

Finding the Fourth Proportional to 77,455.11, 106,888.62 and 50,581.74

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Solution

The fourth proportional to 77,455.11, 106,888.62 and 50,581.74 is: 69,803.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,455.11 : 106,888.62 = 50,581.74 : x
  2. Step 2: Convert to fraction form
    77,455.11/106,888.62 = 50,581.74/x
  3. Step 3: Cross multiply
    77,455.11x = 106,888.62 × 50,581.74
  4. Step 4: Simplify right side
    77,455.11x = 5,406,612,385.80
  5. Step 5: Solve for x
    x = 5,406,612,385.80/77,455.11
  6. Step 6: Final answer
    x = 69,803.17

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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.