Home / 71,890.23-99,184.98-43,585.59

Finding the Fourth Proportional to 71,890.23, 99,184.98 and 43,585.59

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Solution

The fourth proportional to 71,890.23, 99,184.98 and 43,585.59 is: 60,133.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,890.23 : 99,184.98 = 43,585.59 : x
  2. Step 2: Convert to fraction form
    71,890.23/99,184.98 = 43,585.59/x
  3. Step 3: Cross multiply
    71,890.23x = 99,184.98 × 43,585.59
  4. Step 4: Simplify right side
    71,890.23x = 4,323,035,872.44
  5. Step 5: Solve for x
    x = 4,323,035,872.44/71,890.23
  6. Step 6: Final answer
    x = 60,133.84

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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.