Home / 90,601.64-125,034.41-50,315.58

Finding the Fourth Proportional to 90,601.64, 125,034.41 and 50,315.58

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Solution

The fourth proportional to 90,601.64, 125,034.41 and 50,315.58 is: 69,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,601.64 : 125,034.41 = 50,315.58 : x
  2. Step 2: Convert to fraction form
    90,601.64/125,034.41 = 50,315.58/x
  3. Step 3: Cross multiply
    90,601.64x = 125,034.41 × 50,315.58
  4. Step 4: Simplify right side
    90,601.64x = 6,291,178,859.11
  5. Step 5: Solve for x
    x = 6,291,178,859.11/90,601.64
  6. Step 6: Final answer
    x = 69,437.80

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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.