Home / 75,010.83-103,516.75-42,744.76

Finding the Fourth Proportional to 75,010.83, 103,516.75 and 42,744.76

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Solution

The fourth proportional to 75,010.83, 103,516.75 and 42,744.76 is: 58,988.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,010.83 : 103,516.75 = 42,744.76 : x
  2. Step 2: Convert to fraction form
    75,010.83/103,516.75 = 42,744.76/x
  3. Step 3: Cross multiply
    75,010.83x = 103,516.75 × 42,744.76
  4. Step 4: Simplify right side
    75,010.83x = 4,424,798,270.85
  5. Step 5: Solve for x
    x = 4,424,798,270.85/75,010.83
  6. Step 6: Final answer
    x = 58,988.79

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1.5x scale

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.