Home / 110,521.63-165,831.45-57,918.61

Finding the Fourth Proportional to 110,521.63, 165,831.45 and 57,918.61

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Solution

The fourth proportional to 110,521.63, 165,831.45 and 57,918.61 is: 86,903.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,521.63 : 165,831.45 = 57,918.61 : x
  2. Step 2: Convert to fraction form
    110,521.63/165,831.45 = 57,918.61/x
  3. Step 3: Cross multiply
    110,521.63x = 165,831.45 × 57,918.61
  4. Step 4: Simplify right side
    110,521.63x = 9,604,727,078.28
  5. Step 5: Solve for x
    x = 9,604,727,078.28/110,521.63
  6. Step 6: Final answer
    x = 86,903.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.