Home / 70,143.20-96,796.12-38,312.24

Finding the Fourth Proportional to 70,143.20, 96,796.12 and 38,312.24

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Solution

The fourth proportional to 70,143.20, 96,796.12 and 38,312.24 is: 52,870.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,143.20 : 96,796.12 = 38,312.24 : x
  2. Step 2: Convert to fraction form
    70,143.20/96,796.12 = 38,312.24/x
  3. Step 3: Cross multiply
    70,143.20x = 96,796.12 × 38,312.24
  4. Step 4: Simplify right side
    70,143.20x = 3,708,476,180.51
  5. Step 5: Solve for x
    x = 3,708,476,180.51/70,143.20
  6. Step 6: Final answer
    x = 52,870.07

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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.