Home / 70,586.30-97,409.32-38,757.29

Finding the Fourth Proportional to 70,586.30, 97,409.32 and 38,757.29

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Solution

The fourth proportional to 70,586.30, 97,409.32 and 38,757.29 is: 53,485.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,586.30 : 97,409.32 = 38,757.29 : x
  2. Step 2: Convert to fraction form
    70,586.30/97,409.32 = 38,757.29/x
  3. Step 3: Cross multiply
    70,586.30x = 97,409.32 × 38,757.29
  4. Step 4: Simplify right side
    70,586.30x = 3,775,320,680.00
  5. Step 5: Solve for x
    x = 3,775,320,680.00/70,586.30
  6. Step 6: Final answer
    x = 53,485.17

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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.