Home / 71,185.48-98,233.32-40,980.58

Finding the Fourth Proportional to 71,185.48, 98,233.32 and 40,980.58

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Solution

The fourth proportional to 71,185.48, 98,233.32 and 40,980.58 is: 56,551.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,185.48 : 98,233.32 = 40,980.58 : x
  2. Step 2: Convert to fraction form
    71,185.48/98,233.32 = 40,980.58/x
  3. Step 3: Cross multiply
    71,185.48x = 98,233.32 × 40,980.58
  4. Step 4: Simplify right side
    71,185.48x = 4,025,658,428.93
  5. Step 5: Solve for x
    x = 4,025,658,428.93/71,185.48
  6. Step 6: Final answer
    x = 56,551.68

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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.