Home / 115,756.16-173,663.36-53,470.72

Finding the Fourth Proportional to 115,756.16, 173,663.36 and 53,470.72

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Solution

The fourth proportional to 115,756.16, 173,663.36 and 53,470.72 is: 80,219.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,756.16 : 173,663.36 = 53,470.72 : x
  2. Step 2: Convert to fraction form
    115,756.16/173,663.36 = 53,470.72/x
  3. Step 3: Cross multiply
    115,756.16x = 173,663.36 × 53,470.72
  4. Step 4: Simplify right side
    115,756.16x = 9,285,904,896.82
  5. Step 5: Solve for x
    x = 9,285,904,896.82/115,756.16
  6. Step 6: Final answer
    x = 80,219.53

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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.