Home / 90,833.24-125,278.86-59,012.39

Finding the Fourth Proportional to 90,833.24, 125,278.86 and 59,012.39

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Solution

The fourth proportional to 90,833.24, 125,278.86 and 59,012.39 is: 81,390.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,833.24 : 125,278.86 = 59,012.39 : x
  2. Step 2: Convert to fraction form
    90,833.24/125,278.86 = 59,012.39/x
  3. Step 3: Cross multiply
    90,833.24x = 125,278.86 × 59,012.39
  4. Step 4: Simplify right side
    90,833.24x = 7,393,004,945.08
  5. Step 5: Solve for x
    x = 7,393,004,945.08/90,833.24
  6. Step 6: Final answer
    x = 81,390.96

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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.