Home / 66,318.04-91,518.60-37,637.98

Finding the Fourth Proportional to 66,318.04, 91,518.60 and 37,637.98

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Solution

The fourth proportional to 66,318.04, 91,518.60 and 37,637.98 is: 51,940.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,318.04 : 91,518.60 = 37,637.98 : x
  2. Step 2: Convert to fraction form
    66,318.04/91,518.60 = 37,637.98/x
  3. Step 3: Cross multiply
    66,318.04x = 91,518.60 × 37,637.98
  4. Step 4: Simplify right side
    66,318.04x = 3,444,575,236.43
  5. Step 5: Solve for x
    x = 3,444,575,236.43/66,318.04
  6. Step 6: Final answer
    x = 51,940.24

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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.