Home / 85,881.27-118,516.23-47,646.75

Finding the Fourth Proportional to 85,881.27, 118,516.23 and 47,646.75

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Solution

The fourth proportional to 85,881.27, 118,516.23 and 47,646.75 is: 65,752.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,881.27 : 118,516.23 = 47,646.75 : x
  2. Step 2: Convert to fraction form
    85,881.27/118,516.23 = 47,646.75/x
  3. Step 3: Cross multiply
    85,881.27x = 118,516.23 × 47,646.75
  4. Step 4: Simplify right side
    85,881.27x = 5,646,913,181.75
  5. Step 5: Solve for x
    x = 5,646,913,181.75/85,881.27
  6. Step 6: Final answer
    x = 65,752.56

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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.