Home / 104,405.83-144,080.14-56,659.18

Finding the Fourth Proportional to 104,405.83, 144,080.14 and 56,659.18

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Solution

The fourth proportional to 104,405.83, 144,080.14 and 56,659.18 is: 78,189.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,405.83 : 144,080.14 = 56,659.18 : x
  2. Step 2: Convert to fraction form
    104,405.83/144,080.14 = 56,659.18/x
  3. Step 3: Cross multiply
    104,405.83x = 144,080.14 × 56,659.18
  4. Step 4: Simplify right side
    104,405.83x = 8,163,462,084.84
  5. Step 5: Solve for x
    x = 8,163,462,084.84/104,405.83
  6. Step 6: Final answer
    x = 78,189.72

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1.5x scale

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.