Home / 105,136.54-145,083.34-59,810.24

Finding the Fourth Proportional to 105,136.54, 145,083.34 and 59,810.24

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Solution

The fourth proportional to 105,136.54, 145,083.34 and 59,810.24 is: 82,535.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,136.54 : 145,083.34 = 59,810.24 : x
  2. Step 2: Convert to fraction form
    105,136.54/145,083.34 = 59,810.24/x
  3. Step 3: Cross multiply
    105,136.54x = 145,083.34 × 59,810.24
  4. Step 4: Simplify right side
    105,136.54x = 8,677,469,385.40
  5. Step 5: Solve for x
    x = 8,677,469,385.40/105,136.54
  6. Step 6: Final answer
    x = 82,535.24

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1.5x scale

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.