Home / 82,897.21-114,394.57-47,087.11

Finding the Fourth Proportional to 82,897.21, 114,394.57 and 47,087.11

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Solution

The fourth proportional to 82,897.21, 114,394.57 and 47,087.11 is: 64,978.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,897.21 : 114,394.57 = 47,087.11 : x
  2. Step 2: Convert to fraction form
    82,897.21/114,394.57 = 47,087.11/x
  3. Step 3: Cross multiply
    82,897.21x = 114,394.57 × 47,087.11
  4. Step 4: Simplify right side
    82,897.21x = 5,386,509,700.99
  5. Step 5: Solve for x
    x = 5,386,509,700.99/82,897.21
  6. Step 6: Final answer
    x = 64,978.18

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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.