Home / 102,313.72-141,193.19-59,301.51

Finding the Fourth Proportional to 102,313.72, 141,193.19 and 59,301.51

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Solution

The fourth proportional to 102,313.72, 141,193.19 and 59,301.51 is: 81,836.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,313.72 : 141,193.19 = 59,301.51 : x
  2. Step 2: Convert to fraction form
    102,313.72/141,193.19 = 59,301.51/x
  3. Step 3: Cross multiply
    102,313.72x = 141,193.19 × 59,301.51
  4. Step 4: Simplify right side
    102,313.72x = 8,372,969,368.72
  5. Step 5: Solve for x
    x = 8,372,969,368.72/102,313.72
  6. Step 6: Final answer
    x = 81,836.23

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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.