Home / 97,251.12-134,219.70-56,980.96

Finding the Fourth Proportional to 97,251.12, 134,219.70 and 56,980.96

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Solution

The fourth proportional to 97,251.12, 134,219.70 and 56,980.96 is: 78,641.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,251.12 : 134,219.70 = 56,980.96 : x
  2. Step 2: Convert to fraction form
    97,251.12/134,219.70 = 56,980.96/x
  3. Step 3: Cross multiply
    97,251.12x = 134,219.70 × 56,980.96
  4. Step 4: Simplify right side
    97,251.12x = 7,647,967,021.36
  5. Step 5: Solve for x
    x = 7,647,967,021.36/97,251.12
  6. Step 6: Final answer
    x = 78,641.43

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1.5x scale

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.