Home / 70,305.21-97,022.76-38,474.10

Finding the Fourth Proportional to 70,305.21, 97,022.76 and 38,474.10

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Solution

The fourth proportional to 70,305.21, 97,022.76 and 38,474.10 is: 53,095.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,305.21 : 97,022.76 = 38,474.10 : x
  2. Step 2: Convert to fraction form
    70,305.21/97,022.76 = 38,474.10/x
  3. Step 3: Cross multiply
    70,305.21x = 97,022.76 × 38,474.10
  4. Step 4: Simplify right side
    70,305.21x = 3,732,863,370.52
  5. Step 5: Solve for x
    x = 3,732,863,370.52/70,305.21
  6. Step 6: Final answer
    x = 53,095.12

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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.