Home / 77,263.88-106,629.48-43,275.06

Finding the Fourth Proportional to 77,263.88, 106,629.48 and 43,275.06

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Solution

The fourth proportional to 77,263.88, 106,629.48 and 43,275.06 is: 59,722.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,263.88 : 106,629.48 = 43,275.06 : x
  2. Step 2: Convert to fraction form
    77,263.88/106,629.48 = 43,275.06/x
  3. Step 3: Cross multiply
    77,263.88x = 106,629.48 × 43,275.06
  4. Step 4: Simplify right side
    77,263.88x = 4,614,397,144.77
  5. Step 5: Solve for x
    x = 4,614,397,144.77/77,263.88
  6. Step 6: Final answer
    x = 59,722.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.