Home / 81,268.02-112,159.17-45,467.10

Finding the Fourth Proportional to 81,268.02, 112,159.17 and 45,467.10

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Solution

The fourth proportional to 81,268.02, 112,159.17 and 45,467.10 is: 62,749.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,268.02 : 112,159.17 = 45,467.10 : x
  2. Step 2: Convert to fraction form
    81,268.02/112,159.17 = 45,467.10/x
  3. Step 3: Cross multiply
    81,268.02x = 112,159.17 × 45,467.10
  4. Step 4: Simplify right side
    81,268.02x = 5,099,552,198.31
  5. Step 5: Solve for x
    x = 5,099,552,198.31/81,268.02
  6. Step 6: Final answer
    x = 62,749.80

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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.