Home / 70,018.16-96,623.89-38,185.16

Finding the Fourth Proportional to 70,018.16, 96,623.89 and 38,185.16

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Solution

The fourth proportional to 70,018.16, 96,623.89 and 38,185.16 is: 52,694.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,018.16 : 96,623.89 = 38,185.16 : x
  2. Step 2: Convert to fraction form
    70,018.16/96,623.89 = 38,185.16/x
  3. Step 3: Cross multiply
    70,018.16x = 96,623.89 × 38,185.16
  4. Step 4: Simplify right side
    70,018.16x = 3,689,598,120.89
  5. Step 5: Solve for x
    x = 3,689,598,120.89/70,018.16
  6. Step 6: Final answer
    x = 52,694.88

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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.