Home / 70,150.36-96,803.94-38,313.16

Finding the Fourth Proportional to 70,150.36, 96,803.94 and 38,313.16

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Solution

The fourth proportional to 70,150.36, 96,803.94 and 38,313.16 is: 52,870.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,150.36 : 96,803.94 = 38,313.16 : x
  2. Step 2: Convert to fraction form
    70,150.36/96,803.94 = 38,313.16/x
  3. Step 3: Cross multiply
    70,150.36x = 96,803.94 × 38,313.16
  4. Step 4: Simplify right side
    70,150.36x = 3,708,864,841.85
  5. Step 5: Solve for x
    x = 3,708,864,841.85/70,150.36
  6. Step 6: Final answer
    x = 52,870.22

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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.