Home / 107,040.78-147,716.28-59,297.22

Finding the Fourth Proportional to 107,040.78, 147,716.28 and 59,297.22

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Solution

The fourth proportional to 107,040.78, 147,716.28 and 59,297.22 is: 81,830.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,040.78 : 147,716.28 = 59,297.22 : x
  2. Step 2: Convert to fraction form
    107,040.78/147,716.28 = 59,297.22/x
  3. Step 3: Cross multiply
    107,040.78x = 147,716.28 × 59,297.22
  4. Step 4: Simplify right side
    107,040.78x = 8,759,164,752.74
  5. Step 5: Solve for x
    x = 8,759,164,752.74/107,040.78
  6. Step 6: Final answer
    x = 81,830.17

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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.