Home / 74,956.23-103,440.96-40,966.16

Finding the Fourth Proportional to 74,956.23, 103,440.96 and 40,966.16

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Solution

The fourth proportional to 74,956.23, 103,440.96 and 40,966.16 is: 56,534.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,956.23 : 103,440.96 = 40,966.16 : x
  2. Step 2: Convert to fraction form
    74,956.23/103,440.96 = 40,966.16/x
  3. Step 3: Cross multiply
    74,956.23x = 103,440.96 × 40,966.16
  4. Step 4: Simplify right side
    74,956.23x = 4,237,578,917.91
  5. Step 5: Solve for x
    x = 4,237,578,917.91/74,956.23
  6. Step 6: Final answer
    x = 56,534.05

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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.