Home / 61,535.15-92,302.72-19,419.49

Finding the Fourth Proportional to 61,535.15, 92,302.72 and 19,419.49

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Solution

The fourth proportional to 61,535.15, 92,302.72 and 19,419.49 is: 29,129.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,535.15 : 92,302.72 = 19,419.49 : x
  2. Step 2: Convert to fraction form
    61,535.15/92,302.72 = 19,419.49/x
  3. Step 3: Cross multiply
    61,535.15x = 92,302.72 × 19,419.49
  4. Step 4: Simplify right side
    61,535.15x = 1,792,471,468.71
  5. Step 5: Solve for x
    x = 1,792,471,468.71/61,535.15
  6. Step 6: Final answer
    x = 29,129.23

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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.