Home / 74,898.40-103,266.32-47,996.64

Finding the Fourth Proportional to 74,898.40, 103,266.32 and 47,996.64

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Solution

The fourth proportional to 74,898.40, 103,266.32 and 47,996.64 is: 66,175.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,898.40 : 103,266.32 = 47,996.64 : x
  2. Step 2: Convert to fraction form
    74,898.40/103,266.32 = 47,996.64/x
  3. Step 3: Cross multiply
    74,898.40x = 103,266.32 × 47,996.64
  4. Step 4: Simplify right side
    74,898.40x = 4,956,436,385.16
  5. Step 5: Solve for x
    x = 4,956,436,385.16/74,898.40
  6. Step 6: Final answer
    x = 66,175.46

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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.