Home / 48,907.45-67,492.57-28,765.18

Finding the Fourth Proportional to 48,907.45, 67,492.57 and 28,765.18

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Solution

The fourth proportional to 48,907.45, 67,492.57 and 28,765.18 is: 39,696.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,907.45 : 67,492.57 = 28,765.18 : x
  2. Step 2: Convert to fraction form
    48,907.45/67,492.57 = 28,765.18/x
  3. Step 3: Cross multiply
    48,907.45x = 67,492.57 × 28,765.18
  4. Step 4: Simplify right side
    48,907.45x = 1,941,435,924.71
  5. Step 5: Solve for x
    x = 1,941,435,924.71/48,907.45
  6. Step 6: Final answer
    x = 39,696.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.