Home / 48,988.26-67,541.21-31,730.17

Finding the Fourth Proportional to 48,988.26, 67,541.21 and 31,730.17

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Solution

The fourth proportional to 48,988.26, 67,541.21 and 31,730.17 is: 43,747.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,988.26 : 67,541.21 = 31,730.17 : x
  2. Step 2: Convert to fraction form
    48,988.26/67,541.21 = 31,730.17/x
  3. Step 3: Cross multiply
    48,988.26x = 67,541.21 × 31,730.17
  4. Step 4: Simplify right side
    48,988.26x = 2,143,094,075.31
  5. Step 5: Solve for x
    x = 2,143,094,075.31/48,988.26
  6. Step 6: Final answer
    x = 43,747.10

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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.