Home / 74,946.53-103,427.57-40,956.45

Finding the Fourth Proportional to 74,946.53, 103,427.57 and 40,956.45

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Solution

The fourth proportional to 74,946.53, 103,427.57 and 40,956.45 is: 56,520.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,946.53 : 103,427.57 = 40,956.45 : x
  2. Step 2: Convert to fraction form
    74,946.53/103,427.57 = 40,956.45/x
  3. Step 3: Cross multiply
    74,946.53x = 103,427.57 × 40,956.45
  4. Step 4: Simplify right side
    74,946.53x = 4,236,026,357.90
  5. Step 5: Solve for x
    x = 4,236,026,357.90/74,946.53
  6. Step 6: Final answer
    x = 56,520.65

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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.