Home / 47,713.40-71,570.10-46,619.90

Finding the Fourth Proportional to 47,713.40, 71,570.10 and 46,619.90

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Solution

The fourth proportional to 47,713.40, 71,570.10 and 46,619.90 is: 69,929.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,713.40 : 71,570.10 = 46,619.90 : x
  2. Step 2: Convert to fraction form
    47,713.40/71,570.10 = 46,619.90/x
  3. Step 3: Cross multiply
    47,713.40x = 71,570.10 × 46,619.90
  4. Step 4: Simplify right side
    47,713.40x = 3,336,590,904.99
  5. Step 5: Solve for x
    x = 3,336,590,904.99/47,713.40
  6. Step 6: Final answer
    x = 69,929.85

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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.