Home / 61,686.02-92,515.20-28,374.10

Finding the Fourth Proportional to 61,686.02, 92,515.20 and 28,374.10

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Solution

The fourth proportional to 61,686.02, 92,515.20 and 28,374.10 is: 42,554.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,686.02 : 92,515.20 = 28,374.10 : x
  2. Step 2: Convert to fraction form
    61,686.02/92,515.20 = 28,374.10/x
  3. Step 3: Cross multiply
    61,686.02x = 92,515.20 × 28,374.10
  4. Step 4: Simplify right side
    61,686.02x = 2,625,035,198.63
  5. Step 5: Solve for x
    x = 2,625,035,198.63/61,686.02
  6. Step 6: Final answer
    x = 42,554.78

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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.