Home / 75,424.02-104,085.81-41,433.20

Finding the Fourth Proportional to 75,424.02, 104,085.81 and 41,433.20

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Solution

The fourth proportional to 75,424.02, 104,085.81 and 41,433.20 is: 57,178.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,424.02 : 104,085.81 = 41,433.20 : x
  2. Step 2: Convert to fraction form
    75,424.02/104,085.81 = 41,433.20/x
  3. Step 3: Cross multiply
    75,424.02x = 104,085.81 × 41,433.20
  4. Step 4: Simplify right side
    75,424.02x = 4,312,608,182.89
  5. Step 5: Solve for x
    x = 4,312,608,182.89/75,424.02
  6. Step 6: Final answer
    x = 57,178.18

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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.