Home / 63,580.98-87,737.67-39,706.23

Finding the Fourth Proportional to 63,580.98, 87,737.67 and 39,706.23

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Solution

The fourth proportional to 63,580.98, 87,737.67 and 39,706.23 is: 54,792.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,580.98 : 87,737.67 = 39,706.23 : x
  2. Step 2: Convert to fraction form
    63,580.98/87,737.67 = 39,706.23/x
  3. Step 3: Cross multiply
    63,580.98x = 87,737.67 × 39,706.23
  4. Step 4: Simplify right side
    63,580.98x = 3,483,732,104.68
  5. Step 5: Solve for x
    x = 3,483,732,104.68/63,580.98
  6. Step 6: Final answer
    x = 54,792.05

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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.