Home / 118,947.47-164,132.38-67,963.51

Finding the Fourth Proportional to 118,947.47, 164,132.38 and 67,963.51

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Solution

The fourth proportional to 118,947.47, 164,132.38 and 67,963.51 is: 93,781.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,947.47 : 164,132.38 = 67,963.51 : x
  2. Step 2: Convert to fraction form
    118,947.47/164,132.38 = 67,963.51/x
  3. Step 3: Cross multiply
    118,947.47x = 164,132.38 × 67,963.51
  4. Step 4: Simplify right side
    118,947.47x = 11,155,012,649.45
  5. Step 5: Solve for x
    x = 11,155,012,649.45/118,947.47
  6. Step 6: Final answer
    x = 93,781.00

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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.