Home / 102,118.77-140,903.04-59,669.10

Finding the Fourth Proportional to 102,118.77, 140,903.04 and 59,669.10

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Solution

The fourth proportional to 102,118.77, 140,903.04 and 59,669.10 is: 82,331.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,118.77 : 140,903.04 = 59,669.10 : x
  2. Step 2: Convert to fraction form
    102,118.77/140,903.04 = 59,669.10/x
  3. Step 3: Cross multiply
    102,118.77x = 140,903.04 × 59,669.10
  4. Step 4: Simplify right side
    102,118.77x = 8,407,557,584.06
  5. Step 5: Solve for x
    x = 8,407,557,584.06/102,118.77
  6. Step 6: Final answer
    x = 82,331.17

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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.