Home / 66,681.12-92,053.41-51,539.59

Finding the Fourth Proportional to 66,681.12, 92,053.41 and 51,539.59

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Solution

The fourth proportional to 66,681.12, 92,053.41 and 51,539.59 is: 71,150.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,681.12 : 92,053.41 = 51,539.59 : x
  2. Step 2: Convert to fraction form
    66,681.12/92,053.41 = 51,539.59/x
  3. Step 3: Cross multiply
    66,681.12x = 92,053.41 × 51,539.59
  4. Step 4: Simplify right side
    66,681.12x = 4,744,395,221.21
  5. Step 5: Solve for x
    x = 4,744,395,221.21/66,681.12
  6. Step 6: Final answer
    x = 71,150.50

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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.