Home / 104,106.60-143,667.15-56,359.95

Finding the Fourth Proportional to 104,106.60, 143,667.15 and 56,359.95

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Solution

The fourth proportional to 104,106.60, 143,667.15 and 56,359.95 is: 77,776.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,106.60 : 143,667.15 = 56,359.95 : x
  2. Step 2: Convert to fraction form
    104,106.60/143,667.15 = 56,359.95/x
  3. Step 3: Cross multiply
    104,106.60x = 143,667.15 × 56,359.95
  4. Step 4: Simplify right side
    104,106.60x = 8,097,073,390.64
  5. Step 5: Solve for x
    x = 8,097,073,390.64/104,106.60
  6. Step 6: Final answer
    x = 77,776.75

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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.