Home / 84,647.76-116,822.40-46,929.28

Finding the Fourth Proportional to 84,647.76, 116,822.40 and 46,929.28

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Solution

The fourth proportional to 84,647.76, 116,822.40 and 46,929.28 is: 64,767.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,647.76 : 116,822.40 = 46,929.28 : x
  2. Step 2: Convert to fraction form
    84,647.76/116,822.40 = 46,929.28/x
  3. Step 3: Cross multiply
    84,647.76x = 116,822.40 × 46,929.28
  4. Step 4: Simplify right side
    84,647.76x = 5,482,391,119.87
  5. Step 5: Solve for x
    x = 5,482,391,119.87/84,647.76
  6. Step 6: Final answer
    x = 64,767.11

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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.