Home / 75,340.06-103,970.57-41,351.72

Finding the Fourth Proportional to 75,340.06, 103,970.57 and 41,351.72

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Solution

The fourth proportional to 75,340.06, 103,970.57 and 41,351.72 is: 57,066.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,340.06 : 103,970.57 = 41,351.72 : x
  2. Step 2: Convert to fraction form
    75,340.06/103,970.57 = 41,351.72/x
  3. Step 3: Cross multiply
    75,340.06x = 103,970.57 × 41,351.72
  4. Step 4: Simplify right side
    75,340.06x = 4,299,362,017.95
  5. Step 5: Solve for x
    x = 4,299,362,017.95/75,340.06
  6. Step 6: Final answer
    x = 57,066.08

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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.