Home / 103,669.80-155,465.82-44,475

Finding the Fourth Proportional to 103,669.80, 155,465.82 and 44,475

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Solution

The fourth proportional to 103,669.80, 155,465.82 and 44,475 is: 66,695.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,669.80 : 155,465.82 = 44,475 : x
  2. Step 2: Convert to fraction form
    103,669.80/155,465.82 = 44,475/x
  3. Step 3: Cross multiply
    103,669.80x = 155,465.82 × 44,475
  4. Step 4: Simplify right side
    103,669.80x = 6,914,342,344.50
  5. Step 5: Solve for x
    x = 6,914,342,344.50/103,669.80
  6. Step 6: Final answer
    x = 66,695.82

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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.