Home / 75,019.53-103,539.68-43,206.84

Finding the Fourth Proportional to 75,019.53, 103,539.68 and 43,206.84

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Solution

The fourth proportional to 75,019.53, 103,539.68 and 43,206.84 is: 59,632.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,019.53 : 103,539.68 = 43,206.84 : x
  2. Step 2: Convert to fraction form
    75,019.53/103,539.68 = 43,206.84/x
  3. Step 3: Cross multiply
    75,019.53x = 103,539.68 × 43,206.84
  4. Step 4: Simplify right side
    75,019.53x = 4,473,622,387.41
  5. Step 5: Solve for x
    x = 4,473,622,387.41/75,019.53
  6. Step 6: Final answer
    x = 59,632.77

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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.