Home / 74,817.36-103,246.56-40,826.04

Finding the Fourth Proportional to 74,817.36, 103,246.56 and 40,826.04

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Solution

The fourth proportional to 74,817.36, 103,246.56 and 40,826.04 is: 56,339.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,817.36 : 103,246.56 = 40,826.04 : x
  2. Step 2: Convert to fraction form
    74,817.36/103,246.56 = 40,826.04/x
  3. Step 3: Cross multiply
    74,817.36x = 103,246.56 × 40,826.04
  4. Step 4: Simplify right side
    74,817.36x = 4,215,148,188.42
  5. Step 5: Solve for x
    x = 4,215,148,188.42/74,817.36
  6. Step 6: Final answer
    x = 56,339.17

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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.