Home / 45,403.02-68,111.81-17,321.94

Finding the Fourth Proportional to 45,403.02, 68,111.81 and 17,321.94

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Solution

The fourth proportional to 45,403.02, 68,111.81 and 17,321.94 is: 25,985.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,403.02 : 68,111.81 = 17,321.94 : x
  2. Step 2: Convert to fraction form
    45,403.02/68,111.81 = 17,321.94/x
  3. Step 3: Cross multiply
    45,403.02x = 68,111.81 × 17,321.94
  4. Step 4: Simplify right side
    45,403.02x = 1,179,828,599.50
  5. Step 5: Solve for x
    x = 1,179,828,599.50/45,403.02
  6. Step 6: Final answer
    x = 25,985.69

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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.