Home / 105,370.07-157,968.50-49,182.39

Finding the Fourth Proportional to 105,370.07, 157,968.50 and 49,182.39

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Solution

The fourth proportional to 105,370.07, 157,968.50 and 49,182.39 is: 73,733.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,370.07 : 157,968.50 = 49,182.39 : x
  2. Step 2: Convert to fraction form
    105,370.07/157,968.50 = 49,182.39/x
  3. Step 3: Cross multiply
    105,370.07x = 157,968.50 × 49,182.39
  4. Step 4: Simplify right side
    105,370.07x = 7,769,268,128.80
  5. Step 5: Solve for x
    x = 7,769,268,128.80/105,370.07
  6. Step 6: Final answer
    x = 73,733.16

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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.