Home / 84,041.76-115,977.66-45,801.32

Finding the Fourth Proportional to 84,041.76, 115,977.66 and 45,801.32

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Solution

The fourth proportional to 84,041.76, 115,977.66 and 45,801.32 is: 63,205.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,041.76 : 115,977.66 = 45,801.32 : x
  2. Step 2: Convert to fraction form
    84,041.76/115,977.66 = 45,801.32/x
  3. Step 3: Cross multiply
    84,041.76x = 115,977.66 × 45,801.32
  4. Step 4: Simplify right side
    84,041.76x = 5,311,929,918.51
  5. Step 5: Solve for x
    x = 5,311,929,918.51/84,041.76
  6. Step 6: Final answer
    x = 63,205.84

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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.