Home / 86,218.02-118,963.04-50,401.12

Finding the Fourth Proportional to 86,218.02, 118,963.04 and 50,401.12

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Solution

The fourth proportional to 86,218.02, 118,963.04 and 50,401.12 is: 69,543.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,218.02 : 118,963.04 = 50,401.12 : x
  2. Step 2: Convert to fraction form
    86,218.02/118,963.04 = 50,401.12/x
  3. Step 3: Cross multiply
    86,218.02x = 118,963.04 × 50,401.12
  4. Step 4: Simplify right side
    86,218.02x = 5,995,870,454.60
  5. Step 5: Solve for x
    x = 5,995,870,454.60/86,218.02
  6. Step 6: Final answer
    x = 69,543.12

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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.