Home / 105,111.83-157,574.00-38,536.44

Finding the Fourth Proportional to 105,111.83, 157,574.00 and 38,536.44

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Solution

The fourth proportional to 105,111.83, 157,574.00 and 38,536.44 is: 57,770.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,111.83 : 157,574.00 = 38,536.44 : x
  2. Step 2: Convert to fraction form
    105,111.83/157,574.00 = 38,536.44/x
  3. Step 3: Cross multiply
    105,111.83x = 157,574.00 × 38,536.44
  4. Step 4: Simplify right side
    105,111.83x = 6,072,340,876.13
  5. Step 5: Solve for x
    x = 6,072,340,876.13/105,111.83
  6. Step 6: Final answer
    x = 57,770.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.