Home / 66,457.26-99,636.62-40,155.82

Finding the Fourth Proportional to 66,457.26, 99,636.62 and 40,155.82

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Solution

The fourth proportional to 66,457.26, 99,636.62 and 40,155.82 is: 60,203.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,457.26 : 99,636.62 = 40,155.82 : x
  2. Step 2: Convert to fraction form
    66,457.26/99,636.62 = 40,155.82/x
  3. Step 3: Cross multiply
    66,457.26x = 99,636.62 × 40,155.82
  4. Step 4: Simplify right side
    66,457.26x = 4,000,989,728.26
  5. Step 5: Solve for x
    x = 4,000,989,728.26/66,457.26
  6. Step 6: Final answer
    x = 60,203.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.