Home / 81,572.59-112,592.19-53,277.67

Finding the Fourth Proportional to 81,572.59, 112,592.19 and 53,277.67

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Solution

The fourth proportional to 81,572.59, 112,592.19 and 53,277.67 is: 73,537.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,572.59 : 112,592.19 = 53,277.67 : x
  2. Step 2: Convert to fraction form
    81,572.59/112,592.19 = 53,277.67/x
  3. Step 3: Cross multiply
    81,572.59x = 112,592.19 × 53,277.67
  4. Step 4: Simplify right side
    81,572.59x = 5,998,649,543.40
  5. Step 5: Solve for x
    x = 5,998,649,543.40/81,572.59
  6. Step 6: Final answer
    x = 73,537.56

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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.