Home / 84,821.48-117,001.55-60,980.14

Finding the Fourth Proportional to 84,821.48, 117,001.55 and 60,980.14

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Solution

The fourth proportional to 84,821.48, 117,001.55 and 60,980.14 is: 84,115.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,821.48 : 117,001.55 = 60,980.14 : x
  2. Step 2: Convert to fraction form
    84,821.48/117,001.55 = 60,980.14/x
  3. Step 3: Cross multiply
    84,821.48x = 117,001.55 × 60,980.14
  4. Step 4: Simplify right side
    84,821.48x = 7,134,770,009.31
  5. Step 5: Solve for x
    x = 7,134,770,009.31/84,821.48
  6. Step 6: Final answer
    x = 84,115.14

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1.5x scale

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.