Home / 113,831.38-157,087.86-62,843.19

Finding the Fourth Proportional to 113,831.38, 157,087.86 and 62,843.19

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Solution

The fourth proportional to 113,831.38, 157,087.86 and 62,843.19 is: 86,723.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,831.38 : 157,087.86 = 62,843.19 : x
  2. Step 2: Convert to fraction form
    113,831.38/157,087.86 = 62,843.19/x
  3. Step 3: Cross multiply
    113,831.38x = 157,087.86 × 62,843.19
  4. Step 4: Simplify right side
    113,831.38x = 9,871,902,291.55
  5. Step 5: Solve for x
    x = 9,871,902,291.55/113,831.38
  6. Step 6: Final answer
    x = 86,723.91

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1.5x scale

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.