Home / 105,869.04-158,830.20-46,721.04

Finding the Fourth Proportional to 105,869.04, 158,830.20 and 46,721.04

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Solution

The fourth proportional to 105,869.04, 158,830.20 and 46,721.04 is: 70,093.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,869.04 : 158,830.20 = 46,721.04 : x
  2. Step 2: Convert to fraction form
    105,869.04/158,830.20 = 46,721.04/x
  3. Step 3: Cross multiply
    105,869.04x = 158,830.20 × 46,721.04
  4. Step 4: Simplify right side
    105,869.04x = 7,420,712,127.41
  5. Step 5: Solve for x
    x = 7,420,712,127.41/105,869.04
  6. Step 6: Final answer
    x = 70,093.32

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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.