Home / 90,458.42-124,840.26-50,185.13

Finding the Fourth Proportional to 90,458.42, 124,840.26 and 50,185.13

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Solution

The fourth proportional to 90,458.42, 124,840.26 and 50,185.13 is: 69,259.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,458.42 : 124,840.26 = 50,185.13 : x
  2. Step 2: Convert to fraction form
    90,458.42/124,840.26 = 50,185.13/x
  3. Step 3: Cross multiply
    90,458.42x = 124,840.26 × 50,185.13
  4. Step 4: Simplify right side
    90,458.42x = 6,265,124,053.13
  5. Step 5: Solve for x
    x = 6,265,124,053.13/90,458.42
  6. Step 6: Final answer
    x = 69,259.72

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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.