Home / 74,565.28-102,898.56-40,574.44

Finding the Fourth Proportional to 74,565.28, 102,898.56 and 40,574.44

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Solution

The fourth proportional to 74,565.28, 102,898.56 and 40,574.44 is: 55,991.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,565.28 : 102,898.56 = 40,574.44 : x
  2. Step 2: Convert to fraction form
    74,565.28/102,898.56 = 40,574.44/x
  3. Step 3: Cross multiply
    74,565.28x = 102,898.56 × 40,574.44
  4. Step 4: Simplify right side
    74,565.28x = 4,175,051,448.81
  5. Step 5: Solve for x
    x = 4,175,051,448.81/74,565.28
  6. Step 6: Final answer
    x = 55,991.90

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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.