Home / 71,891.42-99,210.02-41,694.21

Finding the Fourth Proportional to 71,891.42, 99,210.02 and 41,694.21

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Solution

The fourth proportional to 71,891.42, 99,210.02 and 41,694.21 is: 57,537.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,891.42 : 99,210.02 = 41,694.21 : x
  2. Step 2: Convert to fraction form
    71,891.42/99,210.02 = 41,694.21/x
  3. Step 3: Cross multiply
    71,891.42x = 99,210.02 × 41,694.21
  4. Step 4: Simplify right side
    71,891.42x = 4,136,483,199.51
  5. Step 5: Solve for x
    x = 4,136,483,199.51/71,891.42
  6. Step 6: Final answer
    x = 57,537.93

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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.