Home / 65,762.19-90,730.41-40,241.93

Finding the Fourth Proportional to 65,762.19, 90,730.41 and 40,241.93

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Solution

The fourth proportional to 65,762.19, 90,730.41 and 40,241.93 is: 55,520.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,762.19 : 90,730.41 = 40,241.93 : x
  2. Step 2: Convert to fraction form
    65,762.19/90,730.41 = 40,241.93/x
  3. Step 3: Cross multiply
    65,762.19x = 90,730.41 × 40,241.93
  4. Step 4: Simplify right side
    65,762.19x = 3,651,166,203.53
  5. Step 5: Solve for x
    x = 3,651,166,203.53/65,762.19
  6. Step 6: Final answer
    x = 55,520.75

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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.