Home / 70,143.12-96,797.22-38,312.04

Finding the Fourth Proportional to 70,143.12, 96,797.22 and 38,312.04

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Solution

The fourth proportional to 70,143.12, 96,797.22 and 38,312.04 is: 52,870.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,143.12 : 96,797.22 = 38,312.04 : x
  2. Step 2: Convert to fraction form
    70,143.12/96,797.22 = 38,312.04/x
  3. Step 3: Cross multiply
    70,143.12x = 96,797.22 × 38,312.04
  4. Step 4: Simplify right side
    70,143.12x = 3,708,498,964.53
  5. Step 5: Solve for x
    x = 3,708,498,964.53/70,143.12
  6. Step 6: Final answer
    x = 52,870.46

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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.