Home / 109,942.39-151,720.79-59,641.39

Finding the Fourth Proportional to 109,942.39, 151,720.79 and 59,641.39

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Solution

The fourth proportional to 109,942.39, 151,720.79 and 59,641.39 is: 82,305.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,942.39 : 151,720.79 = 59,641.39 : x
  2. Step 2: Convert to fraction form
    109,942.39/151,720.79 = 59,641.39/x
  3. Step 3: Cross multiply
    109,942.39x = 151,720.79 × 59,641.39
  4. Step 4: Simplify right side
    109,942.39x = 9,048,838,807.50
  5. Step 5: Solve for x
    x = 9,048,838,807.50/109,942.39
  6. Step 6: Final answer
    x = 82,305.28

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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.