Home / 74,831.78-103,263.73-42,562.06

Finding the Fourth Proportional to 74,831.78, 103,263.73 and 42,562.06

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Solution

The fourth proportional to 74,831.78, 103,263.73 and 42,562.06 is: 58,733.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,831.78 : 103,263.73 = 42,562.06 : x
  2. Step 2: Convert to fraction form
    74,831.78/103,263.73 = 42,562.06/x
  3. Step 3: Cross multiply
    74,831.78x = 103,263.73 × 42,562.06
  4. Step 4: Simplify right side
    74,831.78x = 4,395,116,707.52
  5. Step 5: Solve for x
    x = 4,395,116,707.52/74,831.78
  6. Step 6: Final answer
    x = 58,733.29

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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.