Home / 77,386.48-116,079.71-51,085.07

Finding the Fourth Proportional to 77,386.48, 116,079.71 and 51,085.07

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Solution

The fourth proportional to 77,386.48, 116,079.71 and 51,085.07 is: 76,627.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,386.48 : 116,079.71 = 51,085.07 : x
  2. Step 2: Convert to fraction form
    77,386.48/116,079.71 = 51,085.07/x
  3. Step 3: Cross multiply
    77,386.48x = 116,079.71 × 51,085.07
  4. Step 4: Simplify right side
    77,386.48x = 5,929,940,110.93
  5. Step 5: Solve for x
    x = 5,929,940,110.93/77,386.48
  6. Step 6: Final answer
    x = 76,627.60

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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.