Home / 113,049.38-156,008.75-70,632.51

Finding the Fourth Proportional to 113,049.38, 156,008.75 and 70,632.51

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Solution

The fourth proportional to 113,049.38, 156,008.75 and 70,632.51 is: 97,473.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,049.38 : 156,008.75 = 70,632.51 : x
  2. Step 2: Convert to fraction form
    113,049.38/156,008.75 = 70,632.51/x
  3. Step 3: Cross multiply
    113,049.38x = 156,008.75 × 70,632.51
  4. Step 4: Simplify right side
    113,049.38x = 11,019,289,241.30
  5. Step 5: Solve for x
    x = 11,019,289,241.30/113,049.38
  6. Step 6: Final answer
    x = 97,473.24

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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.