Home / 74,693.36-103,075.49-40,702.13

Finding the Fourth Proportional to 74,693.36, 103,075.49 and 40,702.13

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Solution

The fourth proportional to 74,693.36, 103,075.49 and 40,702.13 is: 56,168.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,693.36 : 103,075.49 = 40,702.13 : x
  2. Step 2: Convert to fraction form
    74,693.36/103,075.49 = 40,702.13/x
  3. Step 3: Cross multiply
    74,693.36x = 103,075.49 × 40,702.13
  4. Step 4: Simplify right side
    74,693.36x = 4,195,391,790.28
  5. Step 5: Solve for x
    x = 4,195,391,790.28/74,693.36
  6. Step 6: Final answer
    x = 56,168.21

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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.