Home / 112,759.80-169,017.43-56,464.20

Finding the Fourth Proportional to 112,759.80, 169,017.43 and 56,464.20

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Solution

The fourth proportional to 112,759.80, 169,017.43 and 56,464.20 is: 84,635.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,759.80 : 169,017.43 = 56,464.20 : x
  2. Step 2: Convert to fraction form
    112,759.80/169,017.43 = 56,464.20/x
  3. Step 3: Cross multiply
    112,759.80x = 169,017.43 × 56,464.20
  4. Step 4: Simplify right side
    112,759.80x = 9,543,433,971.01
  5. Step 5: Solve for x
    x = 9,543,433,971.01/112,759.80
  6. Step 6: Final answer
    x = 84,635.07

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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.