Home / 45,975.86-68,938.27-17,878.58

Finding the Fourth Proportional to 45,975.86, 68,938.27 and 17,878.58

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Solution

The fourth proportional to 45,975.86, 68,938.27 and 17,878.58 is: 26,807.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,975.86 : 68,938.27 = 17,878.58 : x
  2. Step 2: Convert to fraction form
    45,975.86/68,938.27 = 17,878.58/x
  3. Step 3: Cross multiply
    45,975.86x = 68,938.27 × 17,878.58
  4. Step 4: Simplify right side
    45,975.86x = 1,232,518,375.26
  5. Step 5: Solve for x
    x = 1,232,518,375.26/45,975.86
  6. Step 6: Final answer
    x = 26,807.95

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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.