Home / 90,549.06-124,956.75-50,261.79

Finding the Fourth Proportional to 90,549.06, 124,956.75 and 50,261.79

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Solution

The fourth proportional to 90,549.06, 124,956.75 and 50,261.79 is: 69,360.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,549.06 : 124,956.75 = 50,261.79 : x
  2. Step 2: Convert to fraction form
    90,549.06/124,956.75 = 50,261.79/x
  3. Step 3: Cross multiply
    90,549.06x = 124,956.75 × 50,261.79
  4. Step 4: Simplify right side
    90,549.06x = 6,280,549,927.58
  5. Step 5: Solve for x
    x = 6,280,549,927.58/90,549.06
  6. Step 6: Final answer
    x = 69,360.74

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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.