Home / 116,345.95-160,557.31-66,044.95

Finding the Fourth Proportional to 116,345.95, 160,557.31 and 66,044.95

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Solution

The fourth proportional to 116,345.95, 160,557.31 and 66,044.95 is: 91,141.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,345.95 : 160,557.31 = 66,044.95 : x
  2. Step 2: Convert to fraction form
    116,345.95/160,557.31 = 66,044.95/x
  3. Step 3: Cross multiply
    116,345.95x = 160,557.31 × 66,044.95
  4. Step 4: Simplify right side
    116,345.95x = 10,603,999,511.08
  5. Step 5: Solve for x
    x = 10,603,999,511.08/116,345.95
  6. Step 6: Final answer
    x = 91,141.97

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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.