Home / 85,555.89-118,064.97-47,314.43

Finding the Fourth Proportional to 85,555.89, 118,064.97 and 47,314.43

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Solution

The fourth proportional to 85,555.89, 118,064.97 and 47,314.43 is: 65,292.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,555.89 : 118,064.97 = 47,314.43 : x
  2. Step 2: Convert to fraction form
    85,555.89/118,064.97 = 47,314.43/x
  3. Step 3: Cross multiply
    85,555.89x = 118,064.97 × 47,314.43
  4. Step 4: Simplify right side
    85,555.89x = 5,586,176,168.19
  5. Step 5: Solve for x
    x = 5,586,176,168.19/85,555.89
  6. Step 6: Final answer
    x = 65,292.71

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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.