Home / 97,115.36-134,037.81-54,673.89

Finding the Fourth Proportional to 97,115.36, 134,037.81 and 54,673.89

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Solution

The fourth proportional to 97,115.36, 134,037.81 and 54,673.89 is: 75,460.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,115.36 : 134,037.81 = 54,673.89 : x
  2. Step 2: Convert to fraction form
    97,115.36/134,037.81 = 54,673.89/x
  3. Step 3: Cross multiply
    97,115.36x = 134,037.81 × 54,673.89
  4. Step 4: Simplify right side
    97,115.36x = 7,328,368,011.86
  5. Step 5: Solve for x
    x = 7,328,368,011.86/97,115.36
  6. Step 6: Final answer
    x = 75,460.45

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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.