Home / 116,677.06-160,963.81-71,356.95

Finding the Fourth Proportional to 116,677.06, 160,963.81 and 71,356.95

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Solution

The fourth proportional to 116,677.06, 160,963.81 and 71,356.95 is: 98,441.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,677.06 : 160,963.81 = 71,356.95 : x
  2. Step 2: Convert to fraction form
    116,677.06/160,963.81 = 71,356.95/x
  3. Step 3: Cross multiply
    116,677.06x = 160,963.81 × 71,356.95
  4. Step 4: Simplify right side
    116,677.06x = 11,485,886,363.59
  5. Step 5: Solve for x
    x = 11,485,886,363.59/116,677.06
  6. Step 6: Final answer
    x = 98,441.69

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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.