Home / 97,369.83-134,372.12-57,112.70

Finding the Fourth Proportional to 97,369.83, 134,372.12 and 57,112.70

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Solution

The fourth proportional to 97,369.83, 134,372.12 and 57,112.70 is: 78,816.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,369.83 : 134,372.12 = 57,112.70 : x
  2. Step 2: Convert to fraction form
    97,369.83/134,372.12 = 57,112.70/x
  3. Step 3: Cross multiply
    97,369.83x = 134,372.12 × 57,112.70
  4. Step 4: Simplify right side
    97,369.83x = 7,674,353,620.50
  5. Step 5: Solve for x
    x = 7,674,353,620.50/97,369.83
  6. Step 6: Final answer
    x = 78,816.55

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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.