Home / 103,618.90-155,351.55-44,406.10

Finding the Fourth Proportional to 103,618.90, 155,351.55 and 44,406.10

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Solution

The fourth proportional to 103,618.90, 155,351.55 and 44,406.10 is: 66,576.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,618.90 : 155,351.55 = 44,406.10 : x
  2. Step 2: Convert to fraction form
    103,618.90/155,351.55 = 44,406.10/x
  3. Step 3: Cross multiply
    103,618.90x = 155,351.55 × 44,406.10
  4. Step 4: Simplify right side
    103,618.90x = 6,898,556,464.46
  5. Step 5: Solve for x
    x = 6,898,556,464.46/103,618.90
  6. Step 6: Final answer
    x = 66,576.24

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1.5x scale

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.