Home / 74,335.21-102,582.54-42,069.24

Finding the Fourth Proportional to 74,335.21, 102,582.54 and 42,069.24

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Solution

The fourth proportional to 74,335.21, 102,582.54 and 42,069.24 is: 58,055.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,335.21 : 102,582.54 = 42,069.24 : x
  2. Step 2: Convert to fraction form
    74,335.21/102,582.54 = 42,069.24/x
  3. Step 3: Cross multiply
    74,335.21x = 102,582.54 × 42,069.24
  4. Step 4: Simplify right side
    74,335.21x = 4,315,568,982.16
  5. Step 5: Solve for x
    x = 4,315,568,982.16/74,335.21
  6. Step 6: Final answer
    x = 58,055.52

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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.