Home / 85,861.48-118,487.08-47,614.86

Finding the Fourth Proportional to 85,861.48, 118,487.08 and 47,614.86

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Solution

The fourth proportional to 85,861.48, 118,487.08 and 47,614.86 is: 65,707.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,861.48 : 118,487.08 = 47,614.86 : x
  2. Step 2: Convert to fraction form
    85,861.48/118,487.08 = 47,614.86/x
  3. Step 3: Cross multiply
    85,861.48x = 118,487.08 × 47,614.86
  4. Step 4: Simplify right side
    85,861.48x = 5,641,745,487.93
  5. Step 5: Solve for x
    x = 5,641,745,487.93/85,861.48
  6. Step 6: Final answer
    x = 65,707.53

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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.