Home / 105,746.40-158,619.60-35,618.40

Finding the Fourth Proportional to 105,746.40, 158,619.60 and 35,618.40

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Solution

The fourth proportional to 105,746.40, 158,619.60 and 35,618.40 is: 53,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,746.40 : 158,619.60 = 35,618.40 : x
  2. Step 2: Convert to fraction form
    105,746.40/158,619.60 = 35,618.40/x
  3. Step 3: Cross multiply
    105,746.40x = 158,619.60 × 35,618.40
  4. Step 4: Simplify right side
    105,746.40x = 5,649,776,360.64
  5. Step 5: Solve for x
    x = 5,649,776,360.64/105,746.40
  6. Step 6: Final answer
    x = 53,427.60

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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.