Home / 70,626.14-97,440.28-39,995.04

Finding the Fourth Proportional to 70,626.14, 97,440.28 and 39,995.04

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Solution

The fourth proportional to 70,626.14, 97,440.28 and 39,995.04 is: 55,179.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,626.14 : 97,440.28 = 39,995.04 : x
  2. Step 2: Convert to fraction form
    70,626.14/97,440.28 = 39,995.04/x
  3. Step 3: Cross multiply
    70,626.14x = 97,440.28 × 39,995.04
  4. Step 4: Simplify right side
    70,626.14x = 3,897,127,896.21
  5. Step 5: Solve for x
    x = 3,897,127,896.21/70,626.14
  6. Step 6: Final answer
    x = 55,179.68

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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.