Home / 45,787.46-68,646.18-31,707.02

Finding the Fourth Proportional to 45,787.46, 68,646.18 and 31,707.02

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Solution

The fourth proportional to 45,787.46, 68,646.18 and 31,707.02 is: 47,536.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,787.46 : 68,646.18 = 31,707.02 : x
  2. Step 2: Convert to fraction form
    45,787.46/68,646.18 = 31,707.02/x
  3. Step 3: Cross multiply
    45,787.46x = 68,646.18 × 31,707.02
  4. Step 4: Simplify right side
    45,787.46x = 2,176,565,802.18
  5. Step 5: Solve for x
    x = 2,176,565,802.18/45,787.46
  6. Step 6: Final answer
    x = 47,536.29

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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.