Home / 70,747.17-105,987.04-41,809.45

Finding the Fourth Proportional to 70,747.17, 105,987.04 and 41,809.45

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Solution

The fourth proportional to 70,747.17, 105,987.04 and 41,809.45 is: 62,635.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,747.17 : 105,987.04 = 41,809.45 : x
  2. Step 2: Convert to fraction form
    70,747.17/105,987.04 = 41,809.45/x
  3. Step 3: Cross multiply
    70,747.17x = 105,987.04 × 41,809.45
  4. Step 4: Simplify right side
    70,747.17x = 4,431,259,849.53
  5. Step 5: Solve for x
    x = 4,431,259,849.53/70,747.17
  6. Step 6: Final answer
    x = 62,635.15

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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.