Home / 46,688.20-69,990.18-17,085.40

Finding the Fourth Proportional to 46,688.20, 69,990.18 and 17,085.40

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Solution

The fourth proportional to 46,688.20, 69,990.18 and 17,085.40 is: 25,612.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,688.20 : 69,990.18 = 17,085.40 : x
  2. Step 2: Convert to fraction form
    46,688.20/69,990.18 = 17,085.40/x
  3. Step 3: Cross multiply
    46,688.20x = 69,990.18 × 17,085.40
  4. Step 4: Simplify right side
    46,688.20x = 1,195,810,221.37
  5. Step 5: Solve for x
    x = 1,195,810,221.37/46,688.20
  6. Step 6: Final answer
    x = 25,612.69

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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.