Home / 61,790.13-92,629.71-28,493.19

Finding the Fourth Proportional to 61,790.13, 92,629.71 and 28,493.19

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Solution

The fourth proportional to 61,790.13, 92,629.71 and 28,493.19 is: 42,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,790.13 : 92,629.71 = 28,493.19 : x
  2. Step 2: Convert to fraction form
    61,790.13/92,629.71 = 28,493.19/x
  3. Step 3: Cross multiply
    61,790.13x = 92,629.71 × 28,493.19
  4. Step 4: Simplify right side
    61,790.13x = 2,639,315,926.67
  5. Step 5: Solve for x
    x = 2,639,315,926.67/61,790.13
  6. Step 6: Final answer
    x = 42,714.20

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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.