Home / 47,957.55-66,223.20-30,083.28

Finding the Fourth Proportional to 47,957.55, 66,223.20 and 30,083.28

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Solution

The fourth proportional to 47,957.55, 66,223.20 and 30,083.28 is: 41,541.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,957.55 : 66,223.20 = 30,083.28 : x
  2. Step 2: Convert to fraction form
    47,957.55/66,223.20 = 30,083.28/x
  3. Step 3: Cross multiply
    47,957.55x = 66,223.20 × 30,083.28
  4. Step 4: Simplify right side
    47,957.55x = 1,992,211,068.10
  5. Step 5: Solve for x
    x = 1,992,211,068.10/47,957.55
  6. Step 6: Final answer
    x = 41,541.14

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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.