Home / 74,948.34-103,427.46-40,956.08

Finding the Fourth Proportional to 74,948.34, 103,427.46 and 40,956.08

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Solution

The fourth proportional to 74,948.34, 103,427.46 and 40,956.08 is: 56,518.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,948.34 : 103,427.46 = 40,956.08 : x
  2. Step 2: Convert to fraction form
    74,948.34/103,427.46 = 40,956.08/x
  3. Step 3: Cross multiply
    74,948.34x = 103,427.46 × 40,956.08
  4. Step 4: Simplify right side
    74,948.34x = 4,235,982,808.82
  5. Step 5: Solve for x
    x = 4,235,982,808.82/74,948.34
  6. Step 6: Final answer
    x = 56,518.70

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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.