Home / 74,396.16-102,637.62-42,548.04

Finding the Fourth Proportional to 74,396.16, 102,637.62 and 42,548.04

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Solution

The fourth proportional to 74,396.16, 102,637.62 and 42,548.04 is: 58,699.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,396.16 : 102,637.62 = 42,548.04 : x
  2. Step 2: Convert to fraction form
    74,396.16/102,637.62 = 42,548.04/x
  3. Step 3: Cross multiply
    74,396.16x = 102,637.62 × 42,548.04
  4. Step 4: Simplify right side
    74,396.16x = 4,367,029,561.26
  5. Step 5: Solve for x
    x = 4,367,029,561.26/74,396.16
  6. Step 6: Final answer
    x = 58,699.66

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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.