Home / 57,119.86-85,677.36-15,566.86

Finding the Fourth Proportional to 57,119.86, 85,677.36 and 15,566.86

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Solution

The fourth proportional to 57,119.86, 85,677.36 and 15,566.86 is: 23,349.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,119.86 : 85,677.36 = 15,566.86 : x
  2. Step 2: Convert to fraction form
    57,119.86/85,677.36 = 15,566.86/x
  3. Step 3: Cross multiply
    57,119.86x = 85,677.36 × 15,566.86
  4. Step 4: Simplify right side
    57,119.86x = 1,333,727,468.29
  5. Step 5: Solve for x
    x = 1,333,727,468.29/57,119.86
  6. Step 6: Final answer
    x = 23,349.63

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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.