Home / 90,051.47-135,077.20-33,904.17

Finding the Fourth Proportional to 90,051.47, 135,077.20 and 33,904.17

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Solution

The fourth proportional to 90,051.47, 135,077.20 and 33,904.17 is: 50,856.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,051.47 : 135,077.20 = 33,904.17 : x
  2. Step 2: Convert to fraction form
    90,051.47/135,077.20 = 33,904.17/x
  3. Step 3: Cross multiply
    90,051.47x = 135,077.20 × 33,904.17
  4. Step 4: Simplify right side
    90,051.47x = 4,579,680,279.08
  5. Step 5: Solve for x
    x = 4,579,680,279.08/90,051.47
  6. Step 6: Final answer
    x = 50,856.25

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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.