Home / 110,028.48-151,815.94-64,689.92

Finding the Fourth Proportional to 110,028.48, 151,815.94 and 64,689.92

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Solution

The fourth proportional to 110,028.48, 151,815.94 and 64,689.92 is: 89,258.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,028.48 : 151,815.94 = 64,689.92 : x
  2. Step 2: Convert to fraction form
    110,028.48/151,815.94 = 64,689.92/x
  3. Step 3: Cross multiply
    110,028.48x = 151,815.94 × 64,689.92
  4. Step 4: Simplify right side
    110,028.48x = 9,820,961,013.32
  5. Step 5: Solve for x
    x = 9,820,961,013.32/110,028.48
  6. Step 6: Final answer
    x = 89,258.35

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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.