Home / 74,831.73-103,268.09-40,840.94

Finding the Fourth Proportional to 74,831.73, 103,268.09 and 40,840.94

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Solution

The fourth proportional to 74,831.73, 103,268.09 and 40,840.94 is: 56,360.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,831.73 : 103,268.09 = 40,840.94 : x
  2. Step 2: Convert to fraction form
    74,831.73/103,268.09 = 40,840.94/x
  3. Step 3: Cross multiply
    74,831.73x = 103,268.09 × 40,840.94
  4. Step 4: Simplify right side
    74,831.73x = 4,217,565,453.37
  5. Step 5: Solve for x
    x = 4,217,565,453.37/74,831.73
  6. Step 6: Final answer
    x = 56,360.66

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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.