Home / 77,275.04-106,672.34-50,440.55

Finding the Fourth Proportional to 77,275.04, 106,672.34 and 50,440.55

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Solution

The fourth proportional to 77,275.04, 106,672.34 and 50,440.55 is: 69,629.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,275.04 : 106,672.34 = 50,440.55 : x
  2. Step 2: Convert to fraction form
    77,275.04/106,672.34 = 50,440.55/x
  3. Step 3: Cross multiply
    77,275.04x = 106,672.34 × 50,440.55
  4. Step 4: Simplify right side
    77,275.04x = 5,380,611,092.13
  5. Step 5: Solve for x
    x = 5,380,611,092.13/77,275.04
  6. Step 6: Final answer
    x = 69,629.36

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1.5x scale

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.