Home / 55,412.10-76,465.62-31,538.97

Finding the Fourth Proportional to 55,412.10, 76,465.62 and 31,538.97

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Solution

The fourth proportional to 55,412.10, 76,465.62 and 31,538.97 is: 43,522.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,412.10 : 76,465.62 = 31,538.97 : x
  2. Step 2: Convert to fraction form
    55,412.10/76,465.62 = 31,538.97/x
  3. Step 3: Cross multiply
    55,412.10x = 76,465.62 × 31,538.97
  4. Step 4: Simplify right side
    55,412.10x = 2,411,646,895.21
  5. Step 5: Solve for x
    x = 2,411,646,895.21/55,412.10
  6. Step 6: Final answer
    x = 43,522.03

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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.