Home / 113,825.13-157,079.28-63,524.13

Finding the Fourth Proportional to 113,825.13, 157,079.28 and 63,524.13

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Solution

The fourth proportional to 113,825.13, 157,079.28 and 63,524.13 is: 87,663.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,825.13 : 157,079.28 = 63,524.13 : x
  2. Step 2: Convert to fraction form
    113,825.13/157,079.28 = 63,524.13/x
  3. Step 3: Cross multiply
    113,825.13x = 157,079.28 × 63,524.13
  4. Step 4: Simplify right side
    113,825.13x = 9,978,324,603.03
  5. Step 5: Solve for x
    x = 9,978,324,603.03/113,825.13
  6. Step 6: Final answer
    x = 87,663.63

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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.