Home / 70,305.23-97,021.19-38,474.12

Finding the Fourth Proportional to 70,305.23, 97,021.19 and 38,474.12

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Solution

The fourth proportional to 70,305.23, 97,021.19 and 38,474.12 is: 53,094.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,305.23 : 97,021.19 = 38,474.12 : x
  2. Step 2: Convert to fraction form
    70,305.23/97,021.19 = 38,474.12/x
  3. Step 3: Cross multiply
    70,305.23x = 97,021.19 × 38,474.12
  4. Step 4: Simplify right side
    70,305.23x = 3,732,804,229.13
  5. Step 5: Solve for x
    x = 3,732,804,229.13/70,305.23
  6. Step 6: Final answer
    x = 53,094.26

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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.