Home / 46,730.12-70,113.42-21,781.64

Finding the Fourth Proportional to 46,730.12, 70,113.42 and 21,781.64

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Solution

The fourth proportional to 46,730.12, 70,113.42 and 21,781.64 is: 32,680.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,730.12 : 70,113.42 = 21,781.64 : x
  2. Step 2: Convert to fraction form
    46,730.12/70,113.42 = 21,781.64/x
  3. Step 3: Cross multiply
    46,730.12x = 70,113.42 × 21,781.64
  4. Step 4: Simplify right side
    46,730.12x = 1,527,185,273.61
  5. Step 5: Solve for x
    x = 1,527,185,273.61/46,730.12
  6. Step 6: Final answer
    x = 32,680.96

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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.