Home / 74,766.84-103,194.24-42,953.28

Finding the Fourth Proportional to 74,766.84, 103,194.24 and 42,953.28

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Solution

The fourth proportional to 74,766.84, 103,194.24 and 42,953.28 is: 59,284.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,766.84 : 103,194.24 = 42,953.28 : x
  2. Step 2: Convert to fraction form
    74,766.84/103,194.24 = 42,953.28/x
  3. Step 3: Cross multiply
    74,766.84x = 103,194.24 × 42,953.28
  4. Step 4: Simplify right side
    74,766.84x = 4,432,531,085.11
  5. Step 5: Solve for x
    x = 4,432,531,085.11/74,766.84
  6. Step 6: Final answer
    x = 59,284.72

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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.