Home / 99,016.12-136,638.44-53,693.28

Finding the Fourth Proportional to 99,016.12, 136,638.44 and 53,693.28

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Solution

The fourth proportional to 99,016.12, 136,638.44 and 53,693.28 is: 74,094.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,016.12 : 136,638.44 = 53,693.28 : x
  2. Step 2: Convert to fraction form
    99,016.12/136,638.44 = 53,693.28/x
  3. Step 3: Cross multiply
    99,016.12x = 136,638.44 × 53,693.28
  4. Step 4: Simplify right side
    99,016.12x = 7,336,566,252.59
  5. Step 5: Solve for x
    x = 7,336,566,252.59/99,016.12
  6. Step 6: Final answer
    x = 74,094.66

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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.