Home / 82,370.38-113,586.20-70,473.10

Finding the Fourth Proportional to 82,370.38, 113,586.20 and 70,473.10

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Solution

The fourth proportional to 82,370.38, 113,586.20 and 70,473.10 is: 97,180.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,370.38 : 113,586.20 = 70,473.10 : x
  2. Step 2: Convert to fraction form
    82,370.38/113,586.20 = 70,473.10/x
  3. Step 3: Cross multiply
    82,370.38x = 113,586.20 × 70,473.10
  4. Step 4: Simplify right side
    82,370.38x = 8,004,771,631.22
  5. Step 5: Solve for x
    x = 8,004,771,631.22/82,370.38
  6. Step 6: Final answer
    x = 97,180.22

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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.