Home / 90,132.63-135,188.61-23,579.19

Finding the Fourth Proportional to 90,132.63, 135,188.61 and 23,579.19

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Solution

The fourth proportional to 90,132.63, 135,188.61 and 23,579.19 is: 35,366.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,132.63 : 135,188.61 = 23,579.19 : x
  2. Step 2: Convert to fraction form
    90,132.63/135,188.61 = 23,579.19/x
  3. Step 3: Cross multiply
    90,132.63x = 135,188.61 × 23,579.19
  4. Step 4: Simplify right side
    90,132.63x = 3,187,637,921.03
  5. Step 5: Solve for x
    x = 3,187,637,921.03/90,132.63
  6. Step 6: Final answer
    x = 35,366.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.