Home / 77,725.19-116,346.44-42,098.02

Finding the Fourth Proportional to 77,725.19, 116,346.44 and 42,098.02

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Solution

The fourth proportional to 77,725.19, 116,346.44 and 42,098.02 is: 63,016.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,725.19 : 116,346.44 = 42,098.02 : x
  2. Step 2: Convert to fraction form
    77,725.19/116,346.44 = 42,098.02/x
  3. Step 3: Cross multiply
    77,725.19x = 116,346.44 × 42,098.02
  4. Step 4: Simplify right side
    77,725.19x = 4,897,953,965.83
  5. Step 5: Solve for x
    x = 4,897,953,965.83/77,725.19
  6. Step 6: Final answer
    x = 63,016.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.