Home / 85,557.28-118,066.08-47,831.44

Finding the Fourth Proportional to 85,557.28, 118,066.08 and 47,831.44

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Solution

The fourth proportional to 85,557.28, 118,066.08 and 47,831.44 is: 66,005.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,557.28 : 118,066.08 = 47,831.44 : x
  2. Step 2: Convert to fraction form
    85,557.28/118,066.08 = 47,831.44/x
  3. Step 3: Cross multiply
    85,557.28x = 118,066.08 × 47,831.44
  4. Step 4: Simplify right side
    85,557.28x = 5,647,270,621.56
  5. Step 5: Solve for x
    x = 5,647,270,621.56/85,557.28
  6. Step 6: Final answer
    x = 66,005.73

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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.