Home / 71,142.02-98,148.48-40,922.54

Finding the Fourth Proportional to 71,142.02, 98,148.48 and 40,922.54

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Solution

The fourth proportional to 71,142.02, 98,148.48 and 40,922.54 is: 56,457.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,142.02 : 98,148.48 = 40,922.54 : x
  2. Step 2: Convert to fraction form
    71,142.02/98,148.48 = 40,922.54/x
  3. Step 3: Cross multiply
    71,142.02x = 98,148.48 × 40,922.54
  4. Step 4: Simplify right side
    71,142.02x = 4,016,485,098.74
  5. Step 5: Solve for x
    x = 4,016,485,098.74/71,142.02
  6. Step 6: Final answer
    x = 56,457.28

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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.