Home / 61,094.12-91,655.52-18,972.03

Finding the Fourth Proportional to 61,094.12, 91,655.52 and 18,972.03

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Solution

The fourth proportional to 61,094.12, 91,655.52 and 18,972.03 is: 28,462.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,094.12 : 91,655.52 = 18,972.03 : x
  2. Step 2: Convert to fraction form
    61,094.12/91,655.52 = 18,972.03/x
  3. Step 3: Cross multiply
    61,094.12x = 91,655.52 × 18,972.03
  4. Step 4: Simplify right side
    61,094.12x = 1,738,891,275.11
  5. Step 5: Solve for x
    x = 1,738,891,275.11/61,094.12
  6. Step 6: Final answer
    x = 28,462.50

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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.