Home / 92,122.97-138,176.51-56,090.07

Finding the Fourth Proportional to 92,122.97, 138,176.51 and 56,090.07

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Solution

The fourth proportional to 92,122.97, 138,176.51 and 56,090.07 is: 84,130.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,122.97 : 138,176.51 = 56,090.07 : x
  2. Step 2: Convert to fraction form
    92,122.97/138,176.51 = 56,090.07/x
  3. Step 3: Cross multiply
    92,122.97x = 138,176.51 × 56,090.07
  4. Step 4: Simplify right side
    92,122.97x = 7,750,329,837.81
  5. Step 5: Solve for x
    x = 7,750,329,837.81/92,122.97
  6. Step 6: Final answer
    x = 84,130.27

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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.