Home / 90,995.58-125,574.01-50,708.45

Finding the Fourth Proportional to 90,995.58, 125,574.01 and 50,708.45

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Solution

The fourth proportional to 90,995.58, 125,574.01 and 50,708.45 is: 69,977.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,995.58 : 125,574.01 = 50,708.45 : x
  2. Step 2: Convert to fraction form
    90,995.58/125,574.01 = 50,708.45/x
  3. Step 3: Cross multiply
    90,995.58x = 125,574.01 × 50,708.45
  4. Step 4: Simplify right side
    90,995.58x = 6,367,663,594.55
  5. Step 5: Solve for x
    x = 6,367,663,594.55/90,995.58
  6. Step 6: Final answer
    x = 69,977.72

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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.