Home / 108,580.21-149,844.80-60,831.92

Finding the Fourth Proportional to 108,580.21, 149,844.80 and 60,831.92

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Solution

The fourth proportional to 108,580.21, 149,844.80 and 60,831.92 is: 83,950.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,580.21 : 149,844.80 = 60,831.92 : x
  2. Step 2: Convert to fraction form
    108,580.21/149,844.80 = 60,831.92/x
  3. Step 3: Cross multiply
    108,580.21x = 149,844.80 × 60,831.92
  4. Step 4: Simplify right side
    108,580.21x = 9,115,346,886.02
  5. Step 5: Solve for x
    x = 9,115,346,886.02/108,580.21
  6. Step 6: Final answer
    x = 83,950.36

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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.