Home / 103,639.75-155,533.47-44,492.35

Finding the Fourth Proportional to 103,639.75, 155,533.47 and 44,492.35

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Solution

The fourth proportional to 103,639.75, 155,533.47 and 44,492.35 is: 66,770.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,639.75 : 155,533.47 = 44,492.35 : x
  2. Step 2: Convert to fraction form
    103,639.75/155,533.47 = 44,492.35/x
  3. Step 3: Cross multiply
    103,639.75x = 155,533.47 × 44,492.35
  4. Step 4: Simplify right side
    103,639.75x = 6,920,049,583.95
  5. Step 5: Solve for x
    x = 6,920,049,583.95/103,639.75
  6. Step 6: Final answer
    x = 66,770.23

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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.