Home / 77,373.08-106,821.44-50,560.46

Finding the Fourth Proportional to 77,373.08, 106,821.44 and 50,560.46

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Solution

The fourth proportional to 77,373.08, 106,821.44 and 50,560.46 is: 69,803.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,373.08 : 106,821.44 = 50,560.46 : x
  2. Step 2: Convert to fraction form
    77,373.08/106,821.44 = 50,560.46/x
  3. Step 3: Cross multiply
    77,373.08x = 106,821.44 × 50,560.46
  4. Step 4: Simplify right side
    77,373.08x = 5,400,941,144.26
  5. Step 5: Solve for x
    x = 5,400,941,144.26/77,373.08
  6. Step 6: Final answer
    x = 69,803.88

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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.