Home / 46,969.16-70,446.89-13,680.29

Finding the Fourth Proportional to 46,969.16, 70,446.89 and 13,680.29

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Solution

The fourth proportional to 46,969.16, 70,446.89 and 13,680.29 is: 20,518.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,969.16 : 70,446.89 = 13,680.29 : x
  2. Step 2: Convert to fraction form
    46,969.16/70,446.89 = 13,680.29/x
  3. Step 3: Cross multiply
    46,969.16x = 70,446.89 × 13,680.29
  4. Step 4: Simplify right side
    46,969.16x = 963,734,095.12
  5. Step 5: Solve for x
    x = 963,734,095.12/46,969.16
  6. Step 6: Final answer
    x = 20,518.45

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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.