Home / 76,199.18-105,144.91-43,935.02

Finding the Fourth Proportional to 76,199.18, 105,144.91 and 43,935.02

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Solution

The fourth proportional to 76,199.18, 105,144.91 and 43,935.02 is: 60,624.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,199.18 : 105,144.91 = 43,935.02 : x
  2. Step 2: Convert to fraction form
    76,199.18/105,144.91 = 43,935.02/x
  3. Step 3: Cross multiply
    76,199.18x = 105,144.91 × 43,935.02
  4. Step 4: Simplify right side
    76,199.18x = 4,619,543,088.19
  5. Step 5: Solve for x
    x = 4,619,543,088.19/76,199.18
  6. Step 6: Final answer
    x = 60,624.58

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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.