Home / 97,910.76-135,116.46-57,624.24

Finding the Fourth Proportional to 97,910.76, 135,116.46 and 57,624.24

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Solution

The fourth proportional to 97,910.76, 135,116.46 and 57,624.24 is: 79,521.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,910.76 : 135,116.46 = 57,624.24 : x
  2. Step 2: Convert to fraction form
    97,910.76/135,116.46 = 57,624.24/x
  3. Step 3: Cross multiply
    97,910.76x = 135,116.46 × 57,624.24
  4. Step 4: Simplify right side
    97,910.76x = 7,785,983,318.99
  5. Step 5: Solve for x
    x = 7,785,983,318.99/97,910.76
  6. Step 6: Final answer
    x = 79,521.22

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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.