Home / 74,878.07-112,261.68-35,389.08

Finding the Fourth Proportional to 74,878.07, 112,261.68 and 35,389.08

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Solution

The fourth proportional to 74,878.07, 112,261.68 and 35,389.08 is: 53,057.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,878.07 : 112,261.68 = 35,389.08 : x
  2. Step 2: Convert to fraction form
    74,878.07/112,261.68 = 35,389.08/x
  3. Step 3: Cross multiply
    74,878.07x = 112,261.68 × 35,389.08
  4. Step 4: Simplify right side
    74,878.07x = 3,972,837,574.45
  5. Step 5: Solve for x
    x = 3,972,837,574.45/74,878.07
  6. Step 6: Final answer
    x = 53,057.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.