Home / 103,669.68-155,506.92-37,114.40

Finding the Fourth Proportional to 103,669.68, 155,506.92 and 37,114.40

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Solution

The fourth proportional to 103,669.68, 155,506.92 and 37,114.40 is: 55,672.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,669.68 : 155,506.92 = 37,114.40 : x
  2. Step 2: Convert to fraction form
    103,669.68/155,506.92 = 37,114.40/x
  3. Step 3: Cross multiply
    103,669.68x = 155,506.92 × 37,114.40
  4. Step 4: Simplify right side
    103,669.68x = 5,771,546,031.65
  5. Step 5: Solve for x
    x = 5,771,546,031.65/103,669.68
  6. Step 6: Final answer
    x = 55,672.46

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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.