Home / 104,959.12-157,411.80-31,069.84

Finding the Fourth Proportional to 104,959.12, 157,411.80 and 31,069.84

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Solution

The fourth proportional to 104,959.12, 157,411.80 and 31,069.84 is: 46,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,959.12 : 157,411.80 = 31,069.84 : x
  2. Step 2: Convert to fraction form
    104,959.12/157,411.80 = 31,069.84/x
  3. Step 3: Cross multiply
    104,959.12x = 157,411.80 × 31,069.84
  4. Step 4: Simplify right side
    104,959.12x = 4,890,759,440.11
  5. Step 5: Solve for x
    x = 4,890,759,440.11/104,959.12
  6. Step 6: Final answer
    x = 46,596.80

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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.