Home / 105,590.34-158,409.99-30,712.26

Finding the Fourth Proportional to 105,590.34, 158,409.99 and 30,712.26

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Solution

The fourth proportional to 105,590.34, 158,409.99 and 30,712.26 is: 46,075.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,590.34 : 158,409.99 = 30,712.26 : x
  2. Step 2: Convert to fraction form
    105,590.34/158,409.99 = 30,712.26/x
  3. Step 3: Cross multiply
    105,590.34x = 158,409.99 × 30,712.26
  4. Step 4: Simplify right side
    105,590.34x = 4,865,128,799.48
  5. Step 5: Solve for x
    x = 4,865,128,799.48/105,590.34
  6. Step 6: Final answer
    x = 46,075.51

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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.