Home / 92,122.94-138,176.43-56,090.04

Finding the Fourth Proportional to 92,122.94, 138,176.43 and 56,090.04

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Solution

The fourth proportional to 92,122.94, 138,176.43 and 56,090.04 is: 84,130.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,122.94 : 138,176.43 = 56,090.04 : x
  2. Step 2: Convert to fraction form
    92,122.94/138,176.43 = 56,090.04/x
  3. Step 3: Cross multiply
    92,122.94x = 138,176.43 × 56,090.04
  4. Step 4: Simplify right side
    92,122.94x = 7,750,321,485.76
  5. Step 5: Solve for x
    x = 7,750,321,485.76/92,122.94
  6. Step 6: Final answer
    x = 84,130.21

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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.