Home / 124,831.60-187,247.40-62,479.60

Finding the Fourth Proportional to 124,831.60, 187,247.40 and 62,479.60

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Solution

The fourth proportional to 124,831.60, 187,247.40 and 62,479.60 is: 93,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,831.60 : 187,247.40 = 62,479.60 : x
  2. Step 2: Convert to fraction form
    124,831.60/187,247.40 = 62,479.60/x
  3. Step 3: Cross multiply
    124,831.60x = 187,247.40 × 62,479.60
  4. Step 4: Simplify right side
    124,831.60x = 11,699,142,653.04
  5. Step 5: Solve for x
    x = 11,699,142,653.04/124,831.60
  6. Step 6: Final answer
    x = 93,719.40

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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.