Home / 90,712.01-125,176.65-50,424.28

Finding the Fourth Proportional to 90,712.01, 125,176.65 and 50,424.28

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Solution

The fourth proportional to 90,712.01, 125,176.65 and 50,424.28 is: 69,582.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,712.01 : 125,176.65 = 50,424.28 : x
  2. Step 2: Convert to fraction form
    90,712.01/125,176.65 = 50,424.28/x
  3. Step 3: Cross multiply
    90,712.01x = 125,176.65 × 50,424.28
  4. Step 4: Simplify right side
    90,712.01x = 6,311,942,136.12
  5. Step 5: Solve for x
    x = 6,311,942,136.12/90,712.01
  6. Step 6: Final answer
    x = 69,582.21

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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.