Home / 101,831.39-152,566.36-42,536.57

Finding the Fourth Proportional to 101,831.39, 152,566.36 and 42,536.57

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Solution

The fourth proportional to 101,831.39, 152,566.36 and 42,536.57 is: 63,729.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,831.39 : 152,566.36 = 42,536.57 : x
  2. Step 2: Convert to fraction form
    101,831.39/152,566.36 = 42,536.57/x
  3. Step 3: Cross multiply
    101,831.39x = 152,566.36 × 42,536.57
  4. Step 4: Simplify right side
    101,831.39x = 6,489,649,651.79
  5. Step 5: Solve for x
    x = 6,489,649,651.79/101,831.39
  6. Step 6: Final answer
    x = 63,729.36

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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.