Home / 113,808.74-157,065-62,831.60

Finding the Fourth Proportional to 113,808.74, 157,065 and 62,831.60

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Solution

The fourth proportional to 113,808.74, 157,065 and 62,831.60 is: 86,712.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,808.74 : 157,065 = 62,831.60 : x
  2. Step 2: Convert to fraction form
    113,808.74/157,065 = 62,831.60/x
  3. Step 3: Cross multiply
    113,808.74x = 157,065 × 62,831.60
  4. Step 4: Simplify right side
    113,808.74x = 9,868,645,254
  5. Step 5: Solve for x
    x = 9,868,645,254/113,808.74
  6. Step 6: Final answer
    x = 86,712.54

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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.