Home / 90,384.64-124,717.46-50,098.23

Finding the Fourth Proportional to 90,384.64, 124,717.46 and 50,098.23

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Solution

The fourth proportional to 90,384.64, 124,717.46 and 50,098.23 is: 69,128.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,384.64 : 124,717.46 = 50,098.23 : x
  2. Step 2: Convert to fraction form
    90,384.64/124,717.46 = 50,098.23/x
  3. Step 3: Cross multiply
    90,384.64x = 124,717.46 × 50,098.23
  4. Step 4: Simplify right side
    90,384.64x = 6,248,123,745.60
  5. Step 5: Solve for x
    x = 6,248,123,745.60/90,384.64
  6. Step 6: Final answer
    x = 69,128.16

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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.