Home / 71,847.02-99,146.40-40,014.26

Finding the Fourth Proportional to 71,847.02, 99,146.40 and 40,014.26

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Solution

The fourth proportional to 71,847.02, 99,146.40 and 40,014.26 is: 55,218.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,847.02 : 99,146.40 = 40,014.26 : x
  2. Step 2: Convert to fraction form
    71,847.02/99,146.40 = 40,014.26/x
  3. Step 3: Cross multiply
    71,847.02x = 99,146.40 × 40,014.26
  4. Step 4: Simplify right side
    71,847.02x = 3,967,269,827.66
  5. Step 5: Solve for x
    x = 3,967,269,827.66/71,847.02
  6. Step 6: Final answer
    x = 55,218.29

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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.