Home / 85,824.38-118,437.62-47,583.80

Finding the Fourth Proportional to 85,824.38, 118,437.62 and 47,583.80

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Solution

The fourth proportional to 85,824.38, 118,437.62 and 47,583.80 is: 65,665.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,824.38 : 118,437.62 = 47,583.80 : x
  2. Step 2: Convert to fraction form
    85,824.38/118,437.62 = 47,583.80/x
  3. Step 3: Cross multiply
    85,824.38x = 118,437.62 × 47,583.80
  4. Step 4: Simplify right side
    85,824.38x = 5,635,712,199.69
  5. Step 5: Solve for x
    x = 5,635,712,199.69/85,824.38
  6. Step 6: Final answer
    x = 65,665.64

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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.