Home / 113,406.44-156,435.71-70,891.16

Finding the Fourth Proportional to 113,406.44, 156,435.71 and 70,891.16

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Solution

The fourth proportional to 113,406.44, 156,435.71 and 70,891.16 is: 97,789.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,406.44 : 156,435.71 = 70,891.16 : x
  2. Step 2: Convert to fraction form
    113,406.44/156,435.71 = 70,891.16/x
  3. Step 3: Cross multiply
    113,406.44x = 156,435.71 × 70,891.16
  4. Step 4: Simplify right side
    113,406.44x = 11,089,908,947.32
  5. Step 5: Solve for x
    x = 11,089,908,947.32/113,406.44
  6. Step 6: Final answer
    x = 97,789.06

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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.