Home / 105,041.08-144,960.06-57,296.44

Finding the Fourth Proportional to 105,041.08, 144,960.06 and 57,296.44

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Solution

The fourth proportional to 105,041.08, 144,960.06 and 57,296.44 is: 79,070.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,041.08 : 144,960.06 = 57,296.44 : x
  2. Step 2: Convert to fraction form
    105,041.08/144,960.06 = 57,296.44/x
  3. Step 3: Cross multiply
    105,041.08x = 144,960.06 × 57,296.44
  4. Step 4: Simplify right side
    105,041.08x = 8,305,695,380.19
  5. Step 5: Solve for x
    x = 8,305,695,380.19/105,041.08
  6. Step 6: Final answer
    x = 79,070.93

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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.