Home / 104,855.22-144,701.89-57,108.57

Finding the Fourth Proportional to 104,855.22, 144,701.89 and 57,108.57

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Solution

The fourth proportional to 104,855.22, 144,701.89 and 57,108.57 is: 78,810.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,855.22 : 144,701.89 = 57,108.57 : x
  2. Step 2: Convert to fraction form
    104,855.22/144,701.89 = 57,108.57/x
  3. Step 3: Cross multiply
    104,855.22x = 144,701.89 × 57,108.57
  4. Step 4: Simplify right side
    104,855.22x = 8,263,717,695.61
  5. Step 5: Solve for x
    x = 8,263,717,695.61/104,855.22
  6. Step 6: Final answer
    x = 78,810.74

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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.