Home / 115,559.48-159,470.02-64,573.16

Finding the Fourth Proportional to 115,559.48, 159,470.02 and 64,573.16

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Solution

The fourth proportional to 115,559.48, 159,470.02 and 64,573.16 is: 89,109.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,559.48 : 159,470.02 = 64,573.16 : x
  2. Step 2: Convert to fraction form
    115,559.48/159,470.02 = 64,573.16/x
  3. Step 3: Cross multiply
    115,559.48x = 159,470.02 × 64,573.16
  4. Step 4: Simplify right side
    115,559.48x = 10,297,483,116.66
  5. Step 5: Solve for x
    x = 10,297,483,116.66/115,559.48
  6. Step 6: Final answer
    x = 89,109.81

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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.