Home / 97,142.43-134,058.80-54,124.77

Finding the Fourth Proportional to 97,142.43, 134,058.80 and 54,124.77

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Solution

The fourth proportional to 97,142.43, 134,058.80 and 54,124.77 is: 74,693.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,142.43 : 134,058.80 = 54,124.77 : x
  2. Step 2: Convert to fraction form
    97,142.43/134,058.80 = 54,124.77/x
  3. Step 3: Cross multiply
    97,142.43x = 134,058.80 × 54,124.77
  4. Step 4: Simplify right side
    97,142.43x = 7,255,901,716.48
  5. Step 5: Solve for x
    x = 7,255,901,716.48/97,142.43
  6. Step 6: Final answer
    x = 74,693.43

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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.