Home / 90,525.61-124,932.80-50,238.64

Finding the Fourth Proportional to 90,525.61, 124,932.80 and 50,238.64

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Solution

The fourth proportional to 90,525.61, 124,932.80 and 50,238.64 is: 69,333.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,525.61 : 124,932.80 = 50,238.64 : x
  2. Step 2: Convert to fraction form
    90,525.61/124,932.80 = 50,238.64/x
  3. Step 3: Cross multiply
    90,525.61x = 124,932.80 × 50,238.64
  4. Step 4: Simplify right side
    90,525.61x = 6,276,453,963.39
  5. Step 5: Solve for x
    x = 6,276,453,963.39/90,525.61
  6. Step 6: Final answer
    x = 69,333.46

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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.