Home / 89,036.16-122,828.16-51,288.48

Finding the Fourth Proportional to 89,036.16, 122,828.16 and 51,288.48

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Solution

The fourth proportional to 89,036.16, 122,828.16 and 51,288.48 is: 70,754.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,036.16 : 122,828.16 = 51,288.48 : x
  2. Step 2: Convert to fraction form
    89,036.16/122,828.16 = 51,288.48/x
  3. Step 3: Cross multiply
    89,036.16x = 122,828.16 × 51,288.48
  4. Step 4: Simplify right side
    89,036.16x = 6,299,669,627.60
  5. Step 5: Solve for x
    x = 6,299,669,627.60/89,036.16
  6. Step 6: Final answer
    x = 70,754.06

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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.