Home / 103,636.90-155,378.55-44,424.10

Finding the Fourth Proportional to 103,636.90, 155,378.55 and 44,424.10

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Solution

The fourth proportional to 103,636.90, 155,378.55 and 44,424.10 is: 66,603.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,636.90 : 155,378.55 = 44,424.10 : x
  2. Step 2: Convert to fraction form
    103,636.90/155,378.55 = 44,424.10/x
  3. Step 3: Cross multiply
    103,636.90x = 155,378.55 × 44,424.10
  4. Step 4: Simplify right side
    103,636.90x = 6,902,552,243.06
  5. Step 5: Solve for x
    x = 6,902,552,243.06/103,636.90
  6. Step 6: Final answer
    x = 66,603.23

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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.