Home / 85,614.86-118,157.40-49,317.56

Finding the Fourth Proportional to 85,614.86, 118,157.40 and 49,317.56

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Solution

The fourth proportional to 85,614.86, 118,157.40 and 49,317.56 is: 68,063.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,614.86 : 118,157.40 = 49,317.56 : x
  2. Step 2: Convert to fraction form
    85,614.86/118,157.40 = 49,317.56/x
  3. Step 3: Cross multiply
    85,614.86x = 118,157.40 × 49,317.56
  4. Step 4: Simplify right side
    85,614.86x = 5,827,234,663.94
  5. Step 5: Solve for x
    x = 5,827,234,663.94/85,614.86
  6. Step 6: Final answer
    x = 68,063.36

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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.