Home / 111,916.88-154,453.30-62,862.48

Finding the Fourth Proportional to 111,916.88, 154,453.30 and 62,862.48

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Solution

The fourth proportional to 111,916.88, 154,453.30 and 62,862.48 is: 86,754.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,916.88 : 154,453.30 = 62,862.48 : x
  2. Step 2: Convert to fraction form
    111,916.88/154,453.30 = 62,862.48/x
  3. Step 3: Cross multiply
    111,916.88x = 154,453.30 × 62,862.48
  4. Step 4: Simplify right side
    111,916.88x = 9,709,317,482.18
  5. Step 5: Solve for x
    x = 9,709,317,482.18/111,916.88
  6. Step 6: Final answer
    x = 86,754.72

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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.