Home / 84,960.39-117,248.28-46,721.50

Finding the Fourth Proportional to 84,960.39, 117,248.28 and 46,721.50

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Solution

The fourth proportional to 84,960.39, 117,248.28 and 46,721.50 is: 64,477.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,960.39 : 117,248.28 = 46,721.50 : x
  2. Step 2: Convert to fraction form
    84,960.39/117,248.28 = 46,721.50/x
  3. Step 3: Cross multiply
    84,960.39x = 117,248.28 × 46,721.50
  4. Step 4: Simplify right side
    84,960.39x = 5,478,015,514.02
  5. Step 5: Solve for x
    x = 5,478,015,514.02/84,960.39
  6. Step 6: Final answer
    x = 64,477.29

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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.