Home / 94,293.42-130,236.31-72,629.36

Finding the Fourth Proportional to 94,293.42, 130,236.31 and 72,629.36

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Solution

The fourth proportional to 94,293.42, 130,236.31 and 72,629.36 is: 100,314.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,293.42 : 130,236.31 = 72,629.36 : x
  2. Step 2: Convert to fraction form
    94,293.42/130,236.31 = 72,629.36/x
  3. Step 3: Cross multiply
    94,293.42x = 130,236.31 × 72,629.36
  4. Step 4: Simplify right side
    94,293.42x = 9,458,979,363.51
  5. Step 5: Solve for x
    x = 9,458,979,363.51/94,293.42
  6. Step 6: Final answer
    x = 100,314.31

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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.