Home / 53,605.40-74,064.38-42,361.11

Finding the Fourth Proportional to 53,605.40, 74,064.38 and 42,361.11

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Solution

The fourth proportional to 53,605.40, 74,064.38 and 42,361.11 is: 58,528.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,605.40 : 74,064.38 = 42,361.11 : x
  2. Step 2: Convert to fraction form
    53,605.40/74,064.38 = 42,361.11/x
  3. Step 3: Cross multiply
    53,605.40x = 74,064.38 × 42,361.11
  4. Step 4: Simplify right side
    53,605.40x = 3,137,449,136.46
  5. Step 5: Solve for x
    x = 3,137,449,136.46/53,605.40
  6. Step 6: Final answer
    x = 58,528.61

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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.