Home / 63,555.55-87,706.42-34,875.69

Finding the Fourth Proportional to 63,555.55, 87,706.42 and 34,875.69

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Solution

The fourth proportional to 63,555.55, 87,706.42 and 34,875.69 is: 48,128.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,555.55 : 87,706.42 = 34,875.69 : x
  2. Step 2: Convert to fraction form
    63,555.55/87,706.42 = 34,875.69/x
  3. Step 3: Cross multiply
    63,555.55x = 87,706.42 × 34,875.69
  4. Step 4: Simplify right side
    63,555.55x = 3,058,822,435.04
  5. Step 5: Solve for x
    x = 3,058,822,435.04/63,555.55
  6. Step 6: Final answer
    x = 48,128.33

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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.