Home / 77,518.32-106,959.19-50,700.24

Finding the Fourth Proportional to 77,518.32, 106,959.19 and 50,700.24

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Solution

The fourth proportional to 77,518.32, 106,959.19 and 50,700.24 is: 69,955.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,518.32 : 106,959.19 = 50,700.24 : x
  2. Step 2: Convert to fraction form
    77,518.32/106,959.19 = 50,700.24/x
  3. Step 3: Cross multiply
    77,518.32x = 106,959.19 × 50,700.24
  4. Step 4: Simplify right side
    77,518.32x = 5,422,856,603.21
  5. Step 5: Solve for x
    x = 5,422,856,603.21/77,518.32
  6. Step 6: Final answer
    x = 69,955.81

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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.