Home / 76,569.72-105,660.98-46,371.80

Finding the Fourth Proportional to 76,569.72, 105,660.98 and 46,371.80

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Solution

The fourth proportional to 76,569.72, 105,660.98 and 46,371.80 is: 63,989.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,569.72 : 105,660.98 = 46,371.80 : x
  2. Step 2: Convert to fraction form
    76,569.72/105,660.98 = 46,371.80/x
  3. Step 3: Cross multiply
    76,569.72x = 105,660.98 × 46,371.80
  4. Step 4: Simplify right side
    76,569.72x = 4,899,689,832.36
  5. Step 5: Solve for x
    x = 4,899,689,832.36/76,569.72
  6. Step 6: Final answer
    x = 63,989.91

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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.