Home / 106,916.49-147,539.75-64,465.29

Finding the Fourth Proportional to 106,916.49, 147,539.75 and 64,465.29

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Solution

The fourth proportional to 106,916.49, 147,539.75 and 64,465.29 is: 88,959.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,916.49 : 147,539.75 = 64,465.29 : x
  2. Step 2: Convert to fraction form
    106,916.49/147,539.75 = 64,465.29/x
  3. Step 3: Cross multiply
    106,916.49x = 147,539.75 × 64,465.29
  4. Step 4: Simplify right side
    106,916.49x = 9,511,192,447.95
  5. Step 5: Solve for x
    x = 9,511,192,447.95/106,916.49
  6. Step 6: Final answer
    x = 88,959.08

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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.