Home / 121,036.80-181,556.52-36,810.66

Finding the Fourth Proportional to 121,036.80, 181,556.52 and 36,810.66

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Solution

The fourth proportional to 121,036.80, 181,556.52 and 36,810.66 is: 55,216.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,036.80 : 181,556.52 = 36,810.66 : x
  2. Step 2: Convert to fraction form
    121,036.80/181,556.52 = 36,810.66/x
  3. Step 3: Cross multiply
    121,036.80x = 181,556.52 × 36,810.66
  4. Step 4: Simplify right side
    121,036.80x = 6,683,215,328.50
  5. Step 5: Solve for x
    x = 6,683,215,328.50/121,036.80
  6. Step 6: Final answer
    x = 55,216.39

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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.