Home / 90,327.96-124,642.19-50,031.47

Finding the Fourth Proportional to 90,327.96, 124,642.19 and 50,031.47

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Solution

The fourth proportional to 90,327.96, 124,642.19 and 50,031.47 is: 69,037.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,327.96 : 124,642.19 = 50,031.47 : x
  2. Step 2: Convert to fraction form
    90,327.96/124,642.19 = 50,031.47/x
  3. Step 3: Cross multiply
    90,327.96x = 124,642.19 × 50,031.47
  4. Step 4: Simplify right side
    90,327.96x = 6,236,032,426.40
  5. Step 5: Solve for x
    x = 6,236,032,426.40/90,327.96
  6. Step 6: Final answer
    x = 69,037.68

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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.