Home / 105,321.12-157,841.95-46,092.30

Finding the Fourth Proportional to 105,321.12, 157,841.95 and 46,092.30

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Solution

The fourth proportional to 105,321.12, 157,841.95 and 46,092.30 is: 69,077.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,321.12 : 157,841.95 = 46,092.30 : x
  2. Step 2: Convert to fraction form
    105,321.12/157,841.95 = 46,092.30/x
  3. Step 3: Cross multiply
    105,321.12x = 157,841.95 × 46,092.30
  4. Step 4: Simplify right side
    105,321.12x = 7,275,297,492.31
  5. Step 5: Solve for x
    x = 7,275,297,492.31/105,321.12
  6. Step 6: Final answer
    x = 69,077.29

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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.