Home / 85,513.24-118,006.23-47,794.78

Finding the Fourth Proportional to 85,513.24, 118,006.23 and 47,794.78

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Solution

The fourth proportional to 85,513.24, 118,006.23 and 47,794.78 is: 65,955.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,513.24 : 118,006.23 = 47,794.78 : x
  2. Step 2: Convert to fraction form
    85,513.24/118,006.23 = 47,794.78/x
  3. Step 3: Cross multiply
    85,513.24x = 118,006.23 × 47,794.78
  4. Step 4: Simplify right side
    85,513.24x = 5,640,081,801.48
  5. Step 5: Solve for x
    x = 5,640,081,801.48/85,513.24
  6. Step 6: Final answer
    x = 65,955.66

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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.