Home / 98,851.23-136,391.18-55,831.59

Finding the Fourth Proportional to 98,851.23, 136,391.18 and 55,831.59

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Solution

The fourth proportional to 98,851.23, 136,391.18 and 55,831.59 is: 77,034.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,851.23 : 136,391.18 = 55,831.59 : x
  2. Step 2: Convert to fraction form
    98,851.23/136,391.18 = 55,831.59/x
  3. Step 3: Cross multiply
    98,851.23x = 136,391.18 × 55,831.59
  4. Step 4: Simplify right side
    98,851.23x = 7,614,936,162.22
  5. Step 5: Solve for x
    x = 7,614,936,162.22/98,851.23
  6. Step 6: Final answer
    x = 77,034.31

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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.