Home / 70,268.90-96,959.75-40,054.28

Finding the Fourth Proportional to 70,268.90, 96,959.75 and 40,054.28

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Solution

The fourth proportional to 70,268.90, 96,959.75 and 40,054.28 is: 55,268.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,268.90 : 96,959.75 = 40,054.28 : x
  2. Step 2: Convert to fraction form
    70,268.90/96,959.75 = 40,054.28/x
  3. Step 3: Cross multiply
    70,268.90x = 96,959.75 × 40,054.28
  4. Step 4: Simplify right side
    70,268.90x = 3,883,652,290.16
  5. Step 5: Solve for x
    x = 3,883,652,290.16/70,268.90
  6. Step 6: Final answer
    x = 55,268.44

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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.