Home / 77,627.16-116,440.80-33,225.18

Finding the Fourth Proportional to 77,627.16, 116,440.80 and 33,225.18

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Solution

The fourth proportional to 77,627.16, 116,440.80 and 33,225.18 is: 49,837.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,627.16 : 116,440.80 = 33,225.18 : x
  2. Step 2: Convert to fraction form
    77,627.16/116,440.80 = 33,225.18/x
  3. Step 3: Cross multiply
    77,627.16x = 116,440.80 × 33,225.18
  4. Step 4: Simplify right side
    77,627.16x = 3,868,766,539.34
  5. Step 5: Solve for x
    x = 3,868,766,539.34/77,627.16
  6. Step 6: Final answer
    x = 49,837.80

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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.