Home / 61,811.23-92,686.16-19,685.82

Finding the Fourth Proportional to 61,811.23, 92,686.16 and 19,685.82

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Solution

The fourth proportional to 61,811.23, 92,686.16 and 19,685.82 is: 29,518.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,811.23 : 92,686.16 = 19,685.82 : x
  2. Step 2: Convert to fraction form
    61,811.23/92,686.16 = 19,685.82/x
  3. Step 3: Cross multiply
    61,811.23x = 92,686.16 × 19,685.82
  4. Step 4: Simplify right side
    61,811.23x = 1,824,603,062.25
  5. Step 5: Solve for x
    x = 1,824,603,062.25/61,811.23
  6. Step 6: Final answer
    x = 29,518.96

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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.