Home / 75,025.19-112,555.29-21,715.04

Finding the Fourth Proportional to 75,025.19, 112,555.29 and 21,715.04

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Solution

The fourth proportional to 75,025.19, 112,555.29 and 21,715.04 is: 32,577.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,025.19 : 112,555.29 = 21,715.04 : x
  2. Step 2: Convert to fraction form
    75,025.19/112,555.29 = 21,715.04/x
  3. Step 3: Cross multiply
    75,025.19x = 112,555.29 × 21,715.04
  4. Step 4: Simplify right side
    75,025.19x = 2,444,142,624.56
  5. Step 5: Solve for x
    x = 2,444,142,624.56/75,025.19
  6. Step 6: Final answer
    x = 32,577.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.