Home / 84,025.86-125,970.31-39,075.57

Finding the Fourth Proportional to 84,025.86, 125,970.31 and 39,075.57

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Solution

The fourth proportional to 84,025.86, 125,970.31 and 39,075.57 is: 58,581.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,025.86 : 125,970.31 = 39,075.57 : x
  2. Step 2: Convert to fraction form
    84,025.86/125,970.31 = 39,075.57/x
  3. Step 3: Cross multiply
    84,025.86x = 125,970.31 × 39,075.57
  4. Step 4: Simplify right side
    84,025.86x = 4,922,362,179.36
  5. Step 5: Solve for x
    x = 4,922,362,179.36/84,025.86
  6. Step 6: Final answer
    x = 58,581.52

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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.