Home / 75,345.06-113,054.31-30,985.14

Finding the Fourth Proportional to 75,345.06, 113,054.31 and 30,985.14

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Solution

The fourth proportional to 75,345.06, 113,054.31 and 30,985.14 is: 46,492.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,345.06 : 113,054.31 = 30,985.14 : x
  2. Step 2: Convert to fraction form
    75,345.06/113,054.31 = 30,985.14/x
  3. Step 3: Cross multiply
    75,345.06x = 113,054.31 × 30,985.14
  4. Step 4: Simplify right side
    75,345.06x = 3,503,003,622.95
  5. Step 5: Solve for x
    x = 3,503,003,622.95/75,345.06
  6. Step 6: Final answer
    x = 46,492.81

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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.