Home / 74,948.45-103,427.58-40,956.19

Finding the Fourth Proportional to 74,948.45, 103,427.58 and 40,956.19

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Solution

The fourth proportional to 74,948.45, 103,427.58 and 40,956.19 is: 56,518.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,948.45 : 103,427.58 = 40,956.19 : x
  2. Step 2: Convert to fraction form
    74,948.45/103,427.58 = 40,956.19/x
  3. Step 3: Cross multiply
    74,948.45x = 103,427.58 × 40,956.19
  4. Step 4: Simplify right side
    74,948.45x = 4,235,999,359.15
  5. Step 5: Solve for x
    x = 4,235,999,359.15/74,948.45
  6. Step 6: Final answer
    x = 56,518.84

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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.