Home / 124,895.50-187,268.21-57,343

Finding the Fourth Proportional to 124,895.50, 187,268.21 and 57,343

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Solution

The fourth proportional to 124,895.50, 187,268.21 and 57,343 is: 85,980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,895.50 : 187,268.21 = 57,343 : x
  2. Step 2: Convert to fraction form
    124,895.50/187,268.21 = 57,343/x
  3. Step 3: Cross multiply
    124,895.50x = 187,268.21 × 57,343
  4. Step 4: Simplify right side
    124,895.50x = 10,738,520,966.03
  5. Step 5: Solve for x
    x = 10,738,520,966.03/124,895.50
  6. Step 6: Final answer
    x = 85,980.05

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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.