Home / 104,406.88-144,081.59-56,660.24

Finding the Fourth Proportional to 104,406.88, 144,081.59 and 56,660.24

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Solution

The fourth proportional to 104,406.88, 144,081.59 and 56,660.24 is: 78,191.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,406.88 : 144,081.59 = 56,660.24 : x
  2. Step 2: Convert to fraction form
    104,406.88/144,081.59 = 56,660.24/x
  3. Step 3: Cross multiply
    104,406.88x = 144,081.59 × 56,660.24
  4. Step 4: Simplify right side
    104,406.88x = 8,163,696,748.57
  5. Step 5: Solve for x
    x = 8,163,696,748.57/104,406.88
  6. Step 6: Final answer
    x = 78,191.18

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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.