Home / 97,219.38-134,180.10-56,930.76

Finding the Fourth Proportional to 97,219.38, 134,180.10 and 56,930.76

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Solution

The fourth proportional to 97,219.38, 134,180.10 and 56,930.76 is: 78,574.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,219.38 : 134,180.10 = 56,930.76 : x
  2. Step 2: Convert to fraction form
    97,219.38/134,180.10 = 56,930.76/x
  3. Step 3: Cross multiply
    97,219.38x = 134,180.10 × 56,930.76
  4. Step 4: Simplify right side
    97,219.38x = 7,638,975,069.88
  5. Step 5: Solve for x
    x = 7,638,975,069.88/97,219.38
  6. Step 6: Final answer
    x = 78,574.61

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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.