Home / 124,862.31-186,814.23-71,579.84

Finding the Fourth Proportional to 124,862.31, 186,814.23 and 71,579.84

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Solution

The fourth proportional to 124,862.31, 186,814.23 and 71,579.84 is: 107,095.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,862.31 : 186,814.23 = 71,579.84 : x
  2. Step 2: Convert to fraction form
    124,862.31/186,814.23 = 71,579.84/x
  3. Step 3: Cross multiply
    124,862.31x = 186,814.23 × 71,579.84
  4. Step 4: Simplify right side
    124,862.31x = 13,372,132,693.12
  5. Step 5: Solve for x
    x = 13,372,132,693.12/124,862.31
  6. Step 6: Final answer
    x = 107,095.03

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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.