Home / 121,325.48-181,988.67-37,085.31

Finding the Fourth Proportional to 121,325.48, 181,988.67 and 37,085.31

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Solution

The fourth proportional to 121,325.48, 181,988.67 and 37,085.31 is: 55,628.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,325.48 : 181,988.67 = 37,085.31 : x
  2. Step 2: Convert to fraction form
    121,325.48/181,988.67 = 37,085.31/x
  3. Step 3: Cross multiply
    121,325.48x = 181,988.67 × 37,085.31
  4. Step 4: Simplify right side
    121,325.48x = 6,749,106,243.44
  5. Step 5: Solve for x
    x = 6,749,106,243.44/121,325.48
  6. Step 6: Final answer
    x = 55,628.10

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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.