Home / 97,463.86-134,501.23-57,178.31

Finding the Fourth Proportional to 97,463.86, 134,501.23 and 57,178.31

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Solution

The fourth proportional to 97,463.86, 134,501.23 and 57,178.31 is: 78,906.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,463.86 : 134,501.23 = 57,178.31 : x
  2. Step 2: Convert to fraction form
    97,463.86/134,501.23 = 57,178.31/x
  3. Step 3: Cross multiply
    97,463.86x = 134,501.23 × 57,178.31
  4. Step 4: Simplify right side
    97,463.86x = 7,690,553,024.32
  5. Step 5: Solve for x
    x = 7,690,553,024.32/97,463.86
  6. Step 6: Final answer
    x = 78,906.72

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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.