Home / 104,038.50-143,557.74-63,181.38

Finding the Fourth Proportional to 104,038.50, 143,557.74 and 63,181.38

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Solution

The fourth proportional to 104,038.50, 143,557.74 and 63,181.38 is: 87,180.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,038.50 : 143,557.74 = 63,181.38 : x
  2. Step 2: Convert to fraction form
    104,038.50/143,557.74 = 63,181.38/x
  3. Step 3: Cross multiply
    104,038.50x = 143,557.74 × 63,181.38
  4. Step 4: Simplify right side
    104,038.50x = 9,070,176,661.22
  5. Step 5: Solve for x
    x = 9,070,176,661.22/104,038.50
  6. Step 6: Final answer
    x = 87,180.96

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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.