Home / 105,822.83-146,038.20-58,075.76

Finding the Fourth Proportional to 105,822.83, 146,038.20 and 58,075.76

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Solution

The fourth proportional to 105,822.83, 146,038.20 and 58,075.76 is: 80,146.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,822.83 : 146,038.20 = 58,075.76 : x
  2. Step 2: Convert to fraction form
    105,822.83/146,038.20 = 58,075.76/x
  3. Step 3: Cross multiply
    105,822.83x = 146,038.20 × 58,075.76
  4. Step 4: Simplify right side
    105,822.83x = 8,481,279,454.03
  5. Step 5: Solve for x
    x = 8,481,279,454.03/105,822.83
  6. Step 6: Final answer
    x = 80,146.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.