Home / 113,831.65-157,087.88-62,844.47

Finding the Fourth Proportional to 113,831.65, 157,087.88 and 62,844.47

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Solution

The fourth proportional to 113,831.65, 157,087.88 and 62,844.47 is: 86,725.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,831.65 : 157,087.88 = 62,844.47 : x
  2. Step 2: Convert to fraction form
    113,831.65/157,087.88 = 62,844.47/x
  3. Step 3: Cross multiply
    113,831.65x = 157,087.88 × 62,844.47
  4. Step 4: Simplify right side
    113,831.65x = 9,872,103,756.92
  5. Step 5: Solve for x
    x = 9,872,103,756.92/113,831.65
  6. Step 6: Final answer
    x = 86,725.47

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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.