Home / 112,759.11-168,929.87-56,533.59

Finding the Fourth Proportional to 112,759.11, 168,929.87 and 56,533.59

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Solution

The fourth proportional to 112,759.11, 168,929.87 and 56,533.59 is: 84,695.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,759.11 : 168,929.87 = 56,533.59 : x
  2. Step 2: Convert to fraction form
    112,759.11/168,929.87 = 56,533.59/x
  3. Step 3: Cross multiply
    112,759.11x = 168,929.87 × 56,533.59
  4. Step 4: Simplify right side
    112,759.11x = 9,550,211,726.67
  5. Step 5: Solve for x
    x = 9,550,211,726.67/112,759.11
  6. Step 6: Final answer
    x = 84,695.70

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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.