Home / 61,869.18-85,379.47-33,574.87

Finding the Fourth Proportional to 61,869.18, 85,379.47 and 33,574.87

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Solution

The fourth proportional to 61,869.18, 85,379.47 and 33,574.87 is: 46,333.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,869.18 : 85,379.47 = 33,574.87 : x
  2. Step 2: Convert to fraction form
    61,869.18/85,379.47 = 33,574.87/x
  3. Step 3: Cross multiply
    61,869.18x = 85,379.47 × 33,574.87
  4. Step 4: Simplify right side
    61,869.18x = 2,866,604,605.92
  5. Step 5: Solve for x
    x = 2,866,604,605.92/61,869.18
  6. Step 6: Final answer
    x = 46,333.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.