Home / 90,861.32-125,390.04-50,575.52

Finding the Fourth Proportional to 90,861.32, 125,390.04 and 50,575.52

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Solution

The fourth proportional to 90,861.32, 125,390.04 and 50,575.52 is: 69,795.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,861.32 : 125,390.04 = 50,575.52 : x
  2. Step 2: Convert to fraction form
    90,861.32/125,390.04 = 50,575.52/x
  3. Step 3: Cross multiply
    90,861.32x = 125,390.04 × 50,575.52
  4. Step 4: Simplify right side
    90,861.32x = 6,341,666,475.82
  5. Step 5: Solve for x
    x = 6,341,666,475.82/90,861.32
  6. Step 6: Final answer
    x = 69,795.01

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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.