Home / 83,810.43-125,798.27-61,561.35

Finding the Fourth Proportional to 83,810.43, 125,798.27 and 61,561.35

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Solution

The fourth proportional to 83,810.43, 125,798.27 and 61,561.35 is: 92,402.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,810.43 : 125,798.27 = 61,561.35 : x
  2. Step 2: Convert to fraction form
    83,810.43/125,798.27 = 61,561.35/x
  3. Step 3: Cross multiply
    83,810.43x = 125,798.27 × 61,561.35
  4. Step 4: Simplify right side
    83,810.43x = 7,744,311,021.06
  5. Step 5: Solve for x
    x = 7,744,311,021.06/83,810.43
  6. Step 6: Final answer
    x = 92,402.71

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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.