Home / 89,842.22-134,852.53-47,722.69

Finding the Fourth Proportional to 89,842.22, 134,852.53 and 47,722.69

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Solution

The fourth proportional to 89,842.22, 134,852.53 and 47,722.69 is: 71,631.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,842.22 : 134,852.53 = 47,722.69 : x
  2. Step 2: Convert to fraction form
    89,842.22/134,852.53 = 47,722.69/x
  3. Step 3: Cross multiply
    89,842.22x = 134,852.53 × 47,722.69
  4. Step 4: Simplify right side
    89,842.22x = 6,435,525,484.91
  5. Step 5: Solve for x
    x = 6,435,525,484.91/89,842.22
  6. Step 6: Final answer
    x = 71,631.42

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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.