Home / 61,686.77-92,516.32-28,374.85

Finding the Fourth Proportional to 61,686.77, 92,516.32 and 28,374.85

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Solution

The fourth proportional to 61,686.77, 92,516.32 and 28,374.85 is: 42,555.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,686.77 : 92,516.32 = 28,374.85 : x
  2. Step 2: Convert to fraction form
    61,686.77/92,516.32 = 28,374.85/x
  3. Step 3: Cross multiply
    61,686.77x = 92,516.32 × 28,374.85
  4. Step 4: Simplify right side
    61,686.77x = 2,625,136,400.32
  5. Step 5: Solve for x
    x = 2,625,136,400.32/61,686.77
  6. Step 6: Final answer
    x = 42,555.90

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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.