Home / 97,396.15-134,368.50-56,553.30

Finding the Fourth Proportional to 97,396.15, 134,368.50 and 56,553.30

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Solution

The fourth proportional to 97,396.15, 134,368.50 and 56,553.30 is: 78,021.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,396.15 : 134,368.50 = 56,553.30 : x
  2. Step 2: Convert to fraction form
    97,396.15/134,368.50 = 56,553.30/x
  3. Step 3: Cross multiply
    97,396.15x = 134,368.50 × 56,553.30
  4. Step 4: Simplify right side
    97,396.15x = 7,598,982,091.05
  5. Step 5: Solve for x
    x = 7,598,982,091.05/97,396.15
  6. Step 6: Final answer
    x = 78,021.38

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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.