Home / 112,043.25-154,619.69-61,742.25

Finding the Fourth Proportional to 112,043.25, 154,619.69 and 61,742.25

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Solution

The fourth proportional to 112,043.25, 154,619.69 and 61,742.25 is: 85,204.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,043.25 : 154,619.69 = 61,742.25 : x
  2. Step 2: Convert to fraction form
    112,043.25/154,619.69 = 61,742.25/x
  3. Step 3: Cross multiply
    112,043.25x = 154,619.69 × 61,742.25
  4. Step 4: Simplify right side
    112,043.25x = 9,546,567,246.19
  5. Step 5: Solve for x
    x = 9,546,567,246.19/112,043.25
  6. Step 6: Final answer
    x = 85,204.31

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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.