Home / 65,284.23-90,143.10-50,152.92

Finding the Fourth Proportional to 65,284.23, 90,143.10 and 50,152.92

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Solution

The fourth proportional to 65,284.23, 90,143.10 and 50,152.92 is: 69,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,284.23 : 90,143.10 = 50,152.92 : x
  2. Step 2: Convert to fraction form
    65,284.23/90,143.10 = 50,152.92/x
  3. Step 3: Cross multiply
    65,284.23x = 90,143.10 × 50,152.92
  4. Step 4: Simplify right side
    65,284.23x = 4,520,939,682.85
  5. Step 5: Solve for x
    x = 4,520,939,682.85/65,284.23
  6. Step 6: Final answer
    x = 69,250.10

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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.