Home / 61,062.15-91,606.30-18,941.32

Finding the Fourth Proportional to 61,062.15, 91,606.30 and 18,941.32

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Solution

The fourth proportional to 61,062.15, 91,606.30 and 18,941.32 is: 28,416.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,062.15 : 91,606.30 = 18,941.32 : x
  2. Step 2: Convert to fraction form
    61,062.15/91,606.30 = 18,941.32/x
  3. Step 3: Cross multiply
    61,062.15x = 91,606.30 × 18,941.32
  4. Step 4: Simplify right side
    61,062.15x = 1,735,143,965.95
  5. Step 5: Solve for x
    x = 1,735,143,965.95/61,062.15
  6. Step 6: Final answer
    x = 28,416.03

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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.