Home / 45,981.32-68,973.28-12,701.39

Finding the Fourth Proportional to 45,981.32, 68,973.28 and 12,701.39

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Solution

The fourth proportional to 45,981.32, 68,973.28 and 12,701.39 is: 19,052.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,981.32 : 68,973.28 = 12,701.39 : x
  2. Step 2: Convert to fraction form
    45,981.32/68,973.28 = 12,701.39/x
  3. Step 3: Cross multiply
    45,981.32x = 68,973.28 × 12,701.39
  4. Step 4: Simplify right side
    45,981.32x = 876,056,611.66
  5. Step 5: Solve for x
    x = 876,056,611.66/45,981.32
  6. Step 6: Final answer
    x = 19,052.45

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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.