Home / 75,010.78-103,518.66-43,184.26

Finding the Fourth Proportional to 75,010.78, 103,518.66 and 43,184.26

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Solution

The fourth proportional to 75,010.78, 103,518.66 and 43,184.26 is: 59,596.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,010.78 : 103,518.66 = 43,184.26 : x
  2. Step 2: Convert to fraction form
    75,010.78/103,518.66 = 43,184.26/x
  3. Step 3: Cross multiply
    75,010.78x = 103,518.66 × 43,184.26
  4. Step 4: Simplify right side
    75,010.78x = 4,470,376,728.29
  5. Step 5: Solve for x
    x = 4,470,376,728.29/75,010.78
  6. Step 6: Final answer
    x = 59,596.46

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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.