Home / 74,130.16-102,297.72-41,424.84

Finding the Fourth Proportional to 74,130.16, 102,297.72 and 41,424.84

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Solution

The fourth proportional to 74,130.16, 102,297.72 and 41,424.84 is: 57,165.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,130.16 : 102,297.72 = 41,424.84 : x
  2. Step 2: Convert to fraction form
    74,130.16/102,297.72 = 41,424.84/x
  3. Step 3: Cross multiply
    74,130.16x = 102,297.72 × 41,424.84
  4. Step 4: Simplify right side
    74,130.16x = 4,237,666,683.36
  5. Step 5: Solve for x
    x = 4,237,666,683.36/74,130.16
  6. Step 6: Final answer
    x = 57,165.22

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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.