Home / 70,361.21-97,095.12-38,530.28

Finding the Fourth Proportional to 70,361.21, 97,095.12 and 38,530.28

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Solution

The fourth proportional to 70,361.21, 97,095.12 and 38,530.28 is: 53,169.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,361.21 : 97,095.12 = 38,530.28 : x
  2. Step 2: Convert to fraction form
    70,361.21/97,095.12 = 38,530.28/x
  3. Step 3: Cross multiply
    70,361.21x = 97,095.12 × 38,530.28
  4. Step 4: Simplify right side
    70,361.21x = 3,741,102,160.23
  5. Step 5: Solve for x
    x = 3,741,102,160.23/70,361.21
  6. Step 6: Final answer
    x = 53,169.95

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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.