Home / 107,010.50-147,674.18-61,688.22

Finding the Fourth Proportional to 107,010.50, 147,674.18 and 61,688.22

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Solution

The fourth proportional to 107,010.50, 147,674.18 and 61,688.22 is: 85,129.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,010.50 : 147,674.18 = 61,688.22 : x
  2. Step 2: Convert to fraction form
    107,010.50/147,674.18 = 61,688.22/x
  3. Step 3: Cross multiply
    107,010.50x = 147,674.18 × 61,688.22
  4. Step 4: Simplify right side
    107,010.50x = 9,109,757,304.16
  5. Step 5: Solve for x
    x = 9,109,757,304.16/107,010.50
  6. Step 6: Final answer
    x = 85,129.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.