Home / 74,693.62-103,075.86-40,702.33

Finding the Fourth Proportional to 74,693.62, 103,075.86 and 40,702.33

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Solution

The fourth proportional to 74,693.62, 103,075.86 and 40,702.33 is: 56,168.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,693.62 : 103,075.86 = 40,702.33 : x
  2. Step 2: Convert to fraction form
    74,693.62/103,075.86 = 40,702.33/x
  3. Step 3: Cross multiply
    74,693.62x = 103,075.86 × 40,702.33
  4. Step 4: Simplify right side
    74,693.62x = 4,195,427,668.75
  5. Step 5: Solve for x
    x = 4,195,427,668.75/74,693.62
  6. Step 6: Final answer
    x = 56,168.49

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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.