Home / 84,041.31-115,977.01-46,315.56

Finding the Fourth Proportional to 84,041.31, 115,977.01 and 46,315.56

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Solution

The fourth proportional to 84,041.31, 115,977.01 and 46,315.56 is: 63,915.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,041.31 : 115,977.01 = 46,315.56 : x
  2. Step 2: Convert to fraction form
    84,041.31/115,977.01 = 46,315.56/x
  3. Step 3: Cross multiply
    84,041.31x = 115,977.01 × 46,315.56
  4. Step 4: Simplify right side
    84,041.31x = 5,371,539,933.70
  5. Step 5: Solve for x
    x = 5,371,539,933.70/84,041.31
  6. Step 6: Final answer
    x = 63,915.47

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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.