Home / 312,723.17-469,084.76-76,066.01

Finding the Fourth Proportional to 312,723.17, 469,084.76 and 76,066.01

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Solution

The fourth proportional to 312,723.17, 469,084.76 and 76,066.01 is: 114,099.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,723.17 : 469,084.76 = 76,066.01 : x
  2. Step 2: Convert to fraction form
    312,723.17/469,084.76 = 76,066.01/x
  3. Step 3: Cross multiply
    312,723.17x = 469,084.76 × 76,066.01
  4. Step 4: Simplify right side
    312,723.17x = 35,681,406,045.01
  5. Step 5: Solve for x
    x = 35,681,406,045.01/312,723.17
  6. Step 6: Final answer
    x = 114,099.02

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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.