Home / 115,452.89-159,323.41-64,466.47

Finding the Fourth Proportional to 115,452.89, 159,323.41 and 64,466.47

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Solution

The fourth proportional to 115,452.89, 159,323.41 and 64,466.47 is: 88,962.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,452.89 : 159,323.41 = 64,466.47 : x
  2. Step 2: Convert to fraction form
    115,452.89/159,323.41 = 64,466.47/x
  3. Step 3: Cross multiply
    115,452.89x = 159,323.41 × 64,466.47
  4. Step 4: Simplify right side
    115,452.89x = 10,271,017,831.06
  5. Step 5: Solve for x
    x = 10,271,017,831.06/115,452.89
  6. Step 6: Final answer
    x = 88,962.85

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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.