Home / 112,759.99-169,017.72-56,464.38

Finding the Fourth Proportional to 112,759.99, 169,017.72 and 56,464.38

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Solution

The fourth proportional to 112,759.99, 169,017.72 and 56,464.38 is: 84,635.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,759.99 : 169,017.72 = 56,464.38 : x
  2. Step 2: Convert to fraction form
    112,759.99/169,017.72 = 56,464.38/x
  3. Step 3: Cross multiply
    112,759.99x = 169,017.72 × 56,464.38
  4. Step 4: Simplify right side
    112,759.99x = 9,543,480,768.81
  5. Step 5: Solve for x
    x = 9,543,480,768.81/112,759.99
  6. Step 6: Final answer
    x = 84,635.35

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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.