Home / 101,529.09-140,124.51-59,101.29

Finding the Fourth Proportional to 101,529.09, 140,124.51 and 59,101.29

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Solution

The fourth proportional to 101,529.09, 140,124.51 and 59,101.29 is: 81,568.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,529.09 : 140,124.51 = 59,101.29 : x
  2. Step 2: Convert to fraction form
    101,529.09/140,124.51 = 59,101.29/x
  3. Step 3: Cross multiply
    101,529.09x = 140,124.51 × 59,101.29
  4. Step 4: Simplify right side
    101,529.09x = 8,281,539,301.62
  5. Step 5: Solve for x
    x = 8,281,539,301.62/101,529.09
  6. Step 6: Final answer
    x = 81,568.14

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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.