Home / 90,560.63-124,979.51-52,321.79

Finding the Fourth Proportional to 90,560.63, 124,979.51 and 52,321.79

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Solution

The fourth proportional to 90,560.63, 124,979.51 and 52,321.79 is: 72,207.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,560.63 : 124,979.51 = 52,321.79 : x
  2. Step 2: Convert to fraction form
    90,560.63/124,979.51 = 52,321.79/x
  3. Step 3: Cross multiply
    90,560.63x = 124,979.51 × 52,321.79
  4. Step 4: Simplify right side
    90,560.63x = 6,539,152,119.78
  5. Step 5: Solve for x
    x = 6,539,152,119.78/90,560.63
  6. Step 6: Final answer
    x = 72,207.45

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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.