Home / 105,055.12-144,971.78-62,048.53

Finding the Fourth Proportional to 105,055.12, 144,971.78 and 62,048.53

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Solution

The fourth proportional to 105,055.12, 144,971.78 and 62,048.53 is: 85,624.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,055.12 : 144,971.78 = 62,048.53 : x
  2. Step 2: Convert to fraction form
    105,055.12/144,971.78 = 62,048.53/x
  3. Step 3: Cross multiply
    105,055.12x = 144,971.78 × 62,048.53
  4. Step 4: Simplify right side
    105,055.12x = 8,995,285,530.24
  5. Step 5: Solve for x
    x = 8,995,285,530.24/105,055.12
  6. Step 6: Final answer
    x = 85,624.44

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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.