Home / 90,952.55-125,518.30-50,666.31

Finding the Fourth Proportional to 90,952.55, 125,518.30 and 50,666.31

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Solution

The fourth proportional to 90,952.55, 125,518.30 and 50,666.31 is: 69,921.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,952.55 : 125,518.30 = 50,666.31 : x
  2. Step 2: Convert to fraction form
    90,952.55/125,518.30 = 50,666.31/x
  3. Step 3: Cross multiply
    90,952.55x = 125,518.30 × 50,666.31
  4. Step 4: Simplify right side
    90,952.55x = 6,359,549,098.47
  5. Step 5: Solve for x
    x = 6,359,549,098.47/90,952.55
  6. Step 6: Final answer
    x = 69,921.61

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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.