Home / 97,738.07-134,864.19-54,715.32

Finding the Fourth Proportional to 97,738.07, 134,864.19 and 54,715.32

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Solution

The fourth proportional to 97,738.07, 134,864.19 and 54,715.32 is: 75,499.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,738.07 : 134,864.19 = 54,715.32 : x
  2. Step 2: Convert to fraction form
    97,738.07/134,864.19 = 54,715.32/x
  3. Step 3: Cross multiply
    97,738.07x = 134,864.19 × 54,715.32
  4. Step 4: Simplify right side
    97,738.07x = 7,379,137,312.39
  5. Step 5: Solve for x
    x = 7,379,137,312.39/97,738.07
  6. Step 6: Final answer
    x = 75,499.11

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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.