Home / 105,309.28-157,991.60-37,848.12

Finding the Fourth Proportional to 105,309.28, 157,991.60 and 37,848.12

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Solution

The fourth proportional to 105,309.28, 157,991.60 and 37,848.12 is: 56,782.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,309.28 : 157,991.60 = 37,848.12 : x
  2. Step 2: Convert to fraction form
    105,309.28/157,991.60 = 37,848.12/x
  3. Step 3: Cross multiply
    105,309.28x = 157,991.60 × 37,848.12
  4. Step 4: Simplify right side
    105,309.28x = 5,979,685,035.79
  5. Step 5: Solve for x
    x = 5,979,685,035.79/105,309.28
  6. Step 6: Final answer
    x = 56,782.13

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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.