Home / 74,803.61-103,232.93-42,974.55

Finding the Fourth Proportional to 74,803.61, 103,232.93 and 42,974.55

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Solution

The fourth proportional to 74,803.61, 103,232.93 and 42,974.55 is: 59,307.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,803.61 : 103,232.93 = 42,974.55 : x
  2. Step 2: Convert to fraction form
    74,803.61/103,232.93 = 42,974.55/x
  3. Step 3: Cross multiply
    74,803.61x = 103,232.93 × 42,974.55
  4. Step 4: Simplify right side
    74,803.61x = 4,436,388,497.06
  5. Step 5: Solve for x
    x = 4,436,388,497.06/74,803.61
  6. Step 6: Final answer
    x = 59,307.15

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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.