Home / 67,561.96-101,345-23,188.08

Finding the Fourth Proportional to 67,561.96, 101,345 and 23,188.08

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Solution

The fourth proportional to 67,561.96, 101,345 and 23,188.08 is: 34,782.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,561.96 : 101,345 = 23,188.08 : x
  2. Step 2: Convert to fraction form
    67,561.96/101,345 = 23,188.08/x
  3. Step 3: Cross multiply
    67,561.96x = 101,345 × 23,188.08
  4. Step 4: Simplify right side
    67,561.96x = 2,349,995,967.60
  5. Step 5: Solve for x
    x = 2,349,995,967.60/67,561.96
  6. Step 6: Final answer
    x = 34,782.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.