Home / 105,044.46-157,542.69-30,164.01

Finding the Fourth Proportional to 105,044.46, 157,542.69 and 30,164.01

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Solution

The fourth proportional to 105,044.46, 157,542.69 and 30,164.01 is: 45,239.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,044.46 : 157,542.69 = 30,164.01 : x
  2. Step 2: Convert to fraction form
    105,044.46/157,542.69 = 30,164.01/x
  3. Step 3: Cross multiply
    105,044.46x = 157,542.69 × 30,164.01
  4. Step 4: Simplify right side
    105,044.46x = 4,752,119,352.00
  5. Step 5: Solve for x
    x = 4,752,119,352.00/105,044.46
  6. Step 6: Final answer
    x = 45,239.12

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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.