Home / 74,766.70-103,180.35-42,941.98

Finding the Fourth Proportional to 74,766.70, 103,180.35 and 42,941.98

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Solution

The fourth proportional to 74,766.70, 103,180.35 and 42,941.98 is: 59,261.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,766.70 : 103,180.35 = 42,941.98 : x
  2. Step 2: Convert to fraction form
    74,766.70/103,180.35 = 42,941.98/x
  3. Step 3: Cross multiply
    74,766.70x = 103,180.35 × 42,941.98
  4. Step 4: Simplify right side
    74,766.70x = 4,430,768,526.09
  5. Step 5: Solve for x
    x = 4,430,768,526.09/74,766.70
  6. Step 6: Final answer
    x = 59,261.26

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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.