Home / 115,470.36-159,356.16-64,483.02

Finding the Fourth Proportional to 115,470.36, 159,356.16 and 64,483.02

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Solution

The fourth proportional to 115,470.36, 159,356.16 and 64,483.02 is: 88,990.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,470.36 : 159,356.16 = 64,483.02 : x
  2. Step 2: Convert to fraction form
    115,470.36/159,356.16 = 64,483.02/x
  3. Step 3: Cross multiply
    115,470.36x = 159,356.16 × 64,483.02
  4. Step 4: Simplify right side
    115,470.36x = 10,275,766,452.40
  5. Step 5: Solve for x
    x = 10,275,766,452.40/115,470.36
  6. Step 6: Final answer
    x = 88,990.51

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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.