Home / 47,107.12-70,663.11-12,047.08

Finding the Fourth Proportional to 47,107.12, 70,663.11 and 12,047.08

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Solution

The fourth proportional to 47,107.12, 70,663.11 and 12,047.08 is: 18,071.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,107.12 : 70,663.11 = 12,047.08 : x
  2. Step 2: Convert to fraction form
    47,107.12/70,663.11 = 12,047.08/x
  3. Step 3: Cross multiply
    47,107.12x = 70,663.11 × 12,047.08
  4. Step 4: Simplify right side
    47,107.12x = 851,284,139.22
  5. Step 5: Solve for x
    x = 851,284,139.22/47,107.12
  6. Step 6: Final answer
    x = 18,071.24

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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.