Home / 104,531.91-144,254.16-56,785.25

Finding the Fourth Proportional to 104,531.91, 144,254.16 and 56,785.25

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Solution

The fourth proportional to 104,531.91, 144,254.16 and 56,785.25 is: 78,363.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,531.91 : 144,254.16 = 56,785.25 : x
  2. Step 2: Convert to fraction form
    104,531.91/144,254.16 = 56,785.25/x
  3. Step 3: Cross multiply
    104,531.91x = 144,254.16 × 56,785.25
  4. Step 4: Simplify right side
    104,531.91x = 8,191,507,817.87
  5. Step 5: Solve for x
    x = 8,191,507,817.87/104,531.91
  6. Step 6: Final answer
    x = 78,363.71

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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.