Home / 90,601.14-125,009.40-54,790.44

Finding the Fourth Proportional to 90,601.14, 125,009.40 and 54,790.44

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Solution

The fourth proportional to 90,601.14, 125,009.40 and 54,790.44 is: 75,598.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,601.14 : 125,009.40 = 54,790.44 : x
  2. Step 2: Convert to fraction form
    90,601.14/125,009.40 = 54,790.44/x
  3. Step 3: Cross multiply
    90,601.14x = 125,009.40 × 54,790.44
  4. Step 4: Simplify right side
    90,601.14x = 6,849,320,030.14
  5. Step 5: Solve for x
    x = 6,849,320,030.14/90,601.14
  6. Step 6: Final answer
    x = 75,598.61

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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.