Home / 85,542.33-118,043.61-47,299.65

Finding the Fourth Proportional to 85,542.33, 118,043.61 and 47,299.65

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Solution

The fourth proportional to 85,542.33, 118,043.61 and 47,299.65 is: 65,270.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,542.33 : 118,043.61 = 47,299.65 : x
  2. Step 2: Convert to fraction form
    85,542.33/118,043.61 = 47,299.65/x
  3. Step 3: Cross multiply
    85,542.33x = 118,043.61 × 47,299.65
  4. Step 4: Simplify right side
    85,542.33x = 5,583,421,437.74
  5. Step 5: Solve for x
    x = 5,583,421,437.74/85,542.33
  6. Step 6: Final answer
    x = 65,270.86

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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.