Home / 74,824.12-111,958.96-59,988.16

Finding the Fourth Proportional to 74,824.12, 111,958.96 and 59,988.16

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Solution

The fourth proportional to 74,824.12, 111,958.96 and 59,988.16 is: 89,759.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,824.12 : 111,958.96 = 59,988.16 : x
  2. Step 2: Convert to fraction form
    74,824.12/111,958.96 = 59,988.16/x
  3. Step 3: Cross multiply
    74,824.12x = 111,958.96 × 59,988.16
  4. Step 4: Simplify right side
    74,824.12x = 6,716,212,005.91
  5. Step 5: Solve for x
    x = 6,716,212,005.91/74,824.12
  6. Step 6: Final answer
    x = 89,759.99

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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.