Home / 71,816.16-99,089.76-43,515.84

Finding the Fourth Proportional to 71,816.16, 99,089.76 and 43,515.84

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Solution

The fourth proportional to 71,816.16, 99,089.76 and 43,515.84 is: 60,041.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,816.16 : 99,089.76 = 43,515.84 : x
  2. Step 2: Convert to fraction form
    71,816.16/99,089.76 = 43,515.84/x
  3. Step 3: Cross multiply
    71,816.16x = 99,089.76 × 43,515.84
  4. Step 4: Simplify right side
    71,816.16x = 4,311,974,141.80
  5. Step 5: Solve for x
    x = 4,311,974,141.80/71,816.16
  6. Step 6: Final answer
    x = 60,041.84

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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.