Home / 70,238.48-96,918.22-40,025.07

Finding the Fourth Proportional to 70,238.48, 96,918.22 and 40,025.07

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Solution

The fourth proportional to 70,238.48, 96,918.22 and 40,025.07 is: 55,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,238.48 : 96,918.22 = 40,025.07 : x
  2. Step 2: Convert to fraction form
    70,238.48/96,918.22 = 40,025.07/x
  3. Step 3: Cross multiply
    70,238.48x = 96,918.22 × 40,025.07
  4. Step 4: Simplify right side
    70,238.48x = 3,879,158,589.81
  5. Step 5: Solve for x
    x = 3,879,158,589.81/70,238.48
  6. Step 6: Final answer
    x = 55,228.40

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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.