Home / 105,758.68-145,954.40-60,443.36

Finding the Fourth Proportional to 105,758.68, 145,954.40 and 60,443.36

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Solution

The fourth proportional to 105,758.68, 145,954.40 and 60,443.36 is: 83,416.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,758.68 : 145,954.40 = 60,443.36 : x
  2. Step 2: Convert to fraction form
    105,758.68/145,954.40 = 60,443.36/x
  3. Step 3: Cross multiply
    105,758.68x = 145,954.40 × 60,443.36
  4. Step 4: Simplify right side
    105,758.68x = 8,821,974,040.57
  5. Step 5: Solve for x
    x = 8,821,974,040.57/105,758.68
  6. Step 6: Final answer
    x = 83,416.08

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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.