Home / 105,334.22-145,361.74-57,587.58

Finding the Fourth Proportional to 105,334.22, 145,361.74 and 57,587.58

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Solution

The fourth proportional to 105,334.22, 145,361.74 and 57,587.58 is: 79,471.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,334.22 : 145,361.74 = 57,587.58 : x
  2. Step 2: Convert to fraction form
    105,334.22/145,361.74 = 57,587.58/x
  3. Step 3: Cross multiply
    105,334.22x = 145,361.74 × 57,587.58
  4. Step 4: Simplify right side
    105,334.22x = 8,371,030,831.19
  5. Step 5: Solve for x
    x = 8,371,030,831.19/105,334.22
  6. Step 6: Final answer
    x = 79,471.14

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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.