Home / 98,517.63-135,961.26-56,076.18

Finding the Fourth Proportional to 98,517.63, 135,961.26 and 56,076.18

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Solution

The fourth proportional to 98,517.63, 135,961.26 and 56,076.18 is: 77,389.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,517.63 : 135,961.26 = 56,076.18 : x
  2. Step 2: Convert to fraction form
    98,517.63/135,961.26 = 56,076.18/x
  3. Step 3: Cross multiply
    98,517.63x = 135,961.26 × 56,076.18
  4. Step 4: Simplify right side
    98,517.63x = 7,624,188,088.79
  5. Step 5: Solve for x
    x = 7,624,188,088.79/98,517.63
  6. Step 6: Final answer
    x = 77,389.07

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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.