Home / 104,700.41-144,495.93-61,680.30

Finding the Fourth Proportional to 104,700.41, 144,495.93 and 61,680.30

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Solution

The fourth proportional to 104,700.41, 144,495.93 and 61,680.30 is: 85,124.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,700.41 : 144,495.93 = 61,680.30 : x
  2. Step 2: Convert to fraction form
    104,700.41/144,495.93 = 61,680.30/x
  3. Step 3: Cross multiply
    104,700.41x = 144,495.93 × 61,680.30
  4. Step 4: Simplify right side
    104,700.41x = 8,912,552,311.18
  5. Step 5: Solve for x
    x = 8,912,552,311.18/104,700.41
  6. Step 6: Final answer
    x = 85,124.33

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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.