Home / 76,260.19-114,407.03-31,281.81

Finding the Fourth Proportional to 76,260.19, 114,407.03 and 31,281.81

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Solution

The fourth proportional to 76,260.19, 114,407.03 and 31,281.81 is: 46,929.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,260.19 : 114,407.03 = 31,281.81 : x
  2. Step 2: Convert to fraction form
    76,260.19/114,407.03 = 31,281.81/x
  3. Step 3: Cross multiply
    76,260.19x = 114,407.03 × 31,281.81
  4. Step 4: Simplify right side
    76,260.19x = 3,578,859,053.33
  5. Step 5: Solve for x
    x = 3,578,859,053.33/76,260.19
  6. Step 6: Final answer
    x = 46,929.59

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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.