Home / 66,788.60-92,143.10-43,831.16

Finding the Fourth Proportional to 66,788.60, 92,143.10 and 43,831.16

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Solution

The fourth proportional to 66,788.60, 92,143.10 and 43,831.16 is: 60,470.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,788.60 : 92,143.10 = 43,831.16 : x
  2. Step 2: Convert to fraction form
    66,788.60/92,143.10 = 43,831.16/x
  3. Step 3: Cross multiply
    66,788.60x = 92,143.10 × 43,831.16
  4. Step 4: Simplify right side
    66,788.60x = 4,038,738,959.00
  5. Step 5: Solve for x
    x = 4,038,738,959.00/66,788.60
  6. Step 6: Final answer
    x = 60,470.48

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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.