Home / 105,774.23-158,512.16-58,410.64

Finding the Fourth Proportional to 105,774.23, 158,512.16 and 58,410.64

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Solution

The fourth proportional to 105,774.23, 158,512.16 and 58,410.64 is: 87,533.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,774.23 : 158,512.16 = 58,410.64 : x
  2. Step 2: Convert to fraction form
    105,774.23/158,512.16 = 58,410.64/x
  3. Step 3: Cross multiply
    105,774.23x = 158,512.16 × 58,410.64
  4. Step 4: Simplify right side
    105,774.23x = 9,258,797,113.20
  5. Step 5: Solve for x
    x = 9,258,797,113.20/105,774.23
  6. Step 6: Final answer
    x = 87,533.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.