Home / 85,696.28-118,259.39-47,455.07

Finding the Fourth Proportional to 85,696.28, 118,259.39 and 47,455.07

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Solution

The fourth proportional to 85,696.28, 118,259.39 and 47,455.07 is: 65,487.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,696.28 : 118,259.39 = 47,455.07 : x
  2. Step 2: Convert to fraction form
    85,696.28/118,259.39 = 47,455.07/x
  3. Step 3: Cross multiply
    85,696.28x = 118,259.39 × 47,455.07
  4. Step 4: Simplify right side
    85,696.28x = 5,612,007,393.33
  5. Step 5: Solve for x
    x = 5,612,007,393.33/85,696.28
  6. Step 6: Final answer
    x = 65,487.18

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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.