Home / 74,693.43-103,075.60-40,702.21

Finding the Fourth Proportional to 74,693.43, 103,075.60 and 40,702.21

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Solution

The fourth proportional to 74,693.43, 103,075.60 and 40,702.21 is: 56,168.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,693.43 : 103,075.60 = 40,702.21 : x
  2. Step 2: Convert to fraction form
    74,693.43/103,075.60 = 40,702.21/x
  3. Step 3: Cross multiply
    74,693.43x = 103,075.60 × 40,702.21
  4. Step 4: Simplify right side
    74,693.43x = 4,195,404,717.08
  5. Step 5: Solve for x
    x = 4,195,404,717.08/74,693.43
  6. Step 6: Final answer
    x = 56,168.32

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1.5x scale

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.