Home / 74,565.03-102,898.22-40,574.19

Finding the Fourth Proportional to 74,565.03, 102,898.22 and 40,574.19

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Solution

The fourth proportional to 74,565.03, 102,898.22 and 40,574.19 is: 55,991.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,565.03 : 102,898.22 = 40,574.19 : x
  2. Step 2: Convert to fraction form
    74,565.03/102,898.22 = 40,574.19/x
  3. Step 3: Cross multiply
    74,565.03x = 102,898.22 × 40,574.19
  4. Step 4: Simplify right side
    74,565.03x = 4,175,011,726.07
  5. Step 5: Solve for x
    x = 4,175,011,726.07/74,565.03
  6. Step 6: Final answer
    x = 55,991.55

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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.