Home / 107,349.65-161,024.47-28,470.02

Finding the Fourth Proportional to 107,349.65, 161,024.47 and 28,470.02

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Solution

The fourth proportional to 107,349.65, 161,024.47 and 28,470.02 is: 42,705.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,349.65 : 161,024.47 = 28,470.02 : x
  2. Step 2: Convert to fraction form
    107,349.65/161,024.47 = 28,470.02/x
  3. Step 3: Cross multiply
    107,349.65x = 161,024.47 × 28,470.02
  4. Step 4: Simplify right side
    107,349.65x = 4,584,370,212.78
  5. Step 5: Solve for x
    x = 4,584,370,212.78/107,349.65
  6. Step 6: Final answer
    x = 42,705.03

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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.