Home / 86,890.02-130,342.32-27,734.10

Finding the Fourth Proportional to 86,890.02, 130,342.32 and 27,734.10

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Solution

The fourth proportional to 86,890.02, 130,342.32 and 27,734.10 is: 41,603.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,890.02 : 130,342.32 = 27,734.10 : x
  2. Step 2: Convert to fraction form
    86,890.02/130,342.32 = 27,734.10/x
  3. Step 3: Cross multiply
    86,890.02x = 130,342.32 × 27,734.10
  4. Step 4: Simplify right side
    86,890.02x = 3,614,926,937.11
  5. Step 5: Solve for x
    x = 3,614,926,937.11/86,890.02
  6. Step 6: Final answer
    x = 41,603.48

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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.