Home / 105,260.60-145,243.77-59,940.29

Finding the Fourth Proportional to 105,260.60, 145,243.77 and 59,940.29

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Solution

The fourth proportional to 105,260.60, 145,243.77 and 59,940.29 is: 82,708.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,260.60 : 145,243.77 = 59,940.29 : x
  2. Step 2: Convert to fraction form
    105,260.60/145,243.77 = 59,940.29/x
  3. Step 3: Cross multiply
    105,260.60x = 145,243.77 × 59,940.29
  4. Step 4: Simplify right side
    105,260.60x = 8,705,953,694.49
  5. Step 5: Solve for x
    x = 8,705,953,694.49/105,260.60
  6. Step 6: Final answer
    x = 82,708.57

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1.5x scale

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.