Home / 75,420.36-112,958.33-36,005.18

Finding the Fourth Proportional to 75,420.36, 112,958.33 and 36,005.18

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Solution

The fourth proportional to 75,420.36, 112,958.33 and 36,005.18 is: 53,925.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,420.36 : 112,958.33 = 36,005.18 : x
  2. Step 2: Convert to fraction form
    75,420.36/112,958.33 = 36,005.18/x
  3. Step 3: Cross multiply
    75,420.36x = 112,958.33 × 36,005.18
  4. Step 4: Simplify right side
    75,420.36x = 4,067,084,259.33
  5. Step 5: Solve for x
    x = 4,067,084,259.33/75,420.36
  6. Step 6: Final answer
    x = 53,925.55

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1.5x scale

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.