Home / 70,033.32-96,636.42-40,225.32

Finding the Fourth Proportional to 70,033.32, 96,636.42 and 40,225.32

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Solution

The fourth proportional to 70,033.32, 96,636.42 and 40,225.32 is: 55,505.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,033.32 : 96,636.42 = 40,225.32 : x
  2. Step 2: Convert to fraction form
    70,033.32/96,636.42 = 40,225.32/x
  3. Step 3: Cross multiply
    70,033.32x = 96,636.42 × 40,225.32
  4. Step 4: Simplify right side
    70,033.32x = 3,887,230,918.15
  5. Step 5: Solve for x
    x = 3,887,230,918.15/70,033.32
  6. Step 6: Final answer
    x = 55,505.45

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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.