Home / 84,654.18-116,799.12-66,693.51

Finding the Fourth Proportional to 84,654.18, 116,799.12 and 66,693.51

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Solution

The fourth proportional to 84,654.18, 116,799.12 and 66,693.51 is: 92,018.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,654.18 : 116,799.12 = 66,693.51 : x
  2. Step 2: Convert to fraction form
    84,654.18/116,799.12 = 66,693.51/x
  3. Step 3: Cross multiply
    84,654.18x = 116,799.12 × 66,693.51
  4. Step 4: Simplify right side
    84,654.18x = 7,789,743,277.71
  5. Step 5: Solve for x
    x = 7,789,743,277.71/84,654.18
  6. Step 6: Final answer
    x = 92,018.41

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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.