Home / 86,137.02-118,878.44-50,339.07

Finding the Fourth Proportional to 86,137.02, 118,878.44 and 50,339.07

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Solution

The fourth proportional to 86,137.02, 118,878.44 and 50,339.07 is: 69,473.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,137.02 : 118,878.44 = 50,339.07 : x
  2. Step 2: Convert to fraction form
    86,137.02/118,878.44 = 50,339.07/x
  3. Step 3: Cross multiply
    86,137.02x = 118,878.44 × 50,339.07
  4. Step 4: Simplify right side
    86,137.02x = 5,984,229,860.96
  5. Step 5: Solve for x
    x = 5,984,229,860.96/86,137.02
  6. Step 6: Final answer
    x = 69,473.38

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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.