Home / 90,599.86-125,031.02-50,314.30

Finding the Fourth Proportional to 90,599.86, 125,031.02 and 50,314.30

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Solution

The fourth proportional to 90,599.86, 125,031.02 and 50,314.30 is: 69,435.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,599.86 : 125,031.02 = 50,314.30 : x
  2. Step 2: Convert to fraction form
    90,599.86/125,031.02 = 50,314.30/x
  3. Step 3: Cross multiply
    90,599.86x = 125,031.02 × 50,314.30
  4. Step 4: Simplify right side
    90,599.86x = 6,290,848,249.59
  5. Step 5: Solve for x
    x = 6,290,848,249.59/90,599.86
  6. Step 6: Final answer
    x = 69,435.52

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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.