Home / 105,090.36-157,613.67-41,871.48

Finding the Fourth Proportional to 105,090.36, 157,613.67 and 41,871.48

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Solution

The fourth proportional to 105,090.36, 157,613.67 and 41,871.48 is: 62,798.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,090.36 : 157,613.67 = 41,871.48 : x
  2. Step 2: Convert to fraction form
    105,090.36/157,613.67 = 41,871.48/x
  3. Step 3: Cross multiply
    105,090.36x = 157,613.67 × 41,871.48
  4. Step 4: Simplify right side
    105,090.36x = 6,599,517,631.13
  5. Step 5: Solve for x
    x = 6,599,517,631.13/105,090.36
  6. Step 6: Final answer
    x = 62,798.51

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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.