Home / 90,590.16-135,275.19-73,983.14

Finding the Fourth Proportional to 90,590.16, 135,275.19 and 73,983.14

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Solution

The fourth proportional to 90,590.16, 135,275.19 and 73,983.14 is: 110,476.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,590.16 : 135,275.19 = 73,983.14 : x
  2. Step 2: Convert to fraction form
    90,590.16/135,275.19 = 73,983.14/x
  3. Step 3: Cross multiply
    90,590.16x = 135,275.19 × 73,983.14
  4. Step 4: Simplify right side
    90,590.16x = 10,008,083,320.30
  5. Step 5: Solve for x
    x = 10,008,083,320.30/90,590.16
  6. Step 6: Final answer
    x = 110,476.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.