Home / 103,470.44-142,792.08-58,152.56

Finding the Fourth Proportional to 103,470.44, 142,792.08 and 58,152.56

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Solution

The fourth proportional to 103,470.44, 142,792.08 and 58,152.56 is: 80,252.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,470.44 : 142,792.08 = 58,152.56 : x
  2. Step 2: Convert to fraction form
    103,470.44/142,792.08 = 58,152.56/x
  3. Step 3: Cross multiply
    103,470.44x = 142,792.08 × 58,152.56
  4. Step 4: Simplify right side
    103,470.44x = 8,303,724,999.72
  5. Step 5: Solve for x
    x = 8,303,724,999.72/103,470.44
  6. Step 6: Final answer
    x = 80,252.15

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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.