Home / 70,119.90-104,643.18-62,640.36

Finding the Fourth Proportional to 70,119.90, 104,643.18 and 62,640.36

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Solution

The fourth proportional to 70,119.90, 104,643.18 and 62,640.36 is: 93,481.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,119.90 : 104,643.18 = 62,640.36 : x
  2. Step 2: Convert to fraction form
    70,119.90/104,643.18 = 62,640.36/x
  3. Step 3: Cross multiply
    70,119.90x = 104,643.18 × 62,640.36
  4. Step 4: Simplify right side
    70,119.90x = 6,554,886,466.74
  5. Step 5: Solve for x
    x = 6,554,886,466.74/70,119.90
  6. Step 6: Final answer
    x = 93,481.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.