Home / 120,810.45-166,718.81-67,095.46

Finding the Fourth Proportional to 120,810.45, 166,718.81 and 67,095.46

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Solution

The fourth proportional to 120,810.45, 166,718.81 and 67,095.46 is: 92,591.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,810.45 : 166,718.81 = 67,095.46 : x
  2. Step 2: Convert to fraction form
    120,810.45/166,718.81 = 67,095.46/x
  3. Step 3: Cross multiply
    120,810.45x = 166,718.81 × 67,095.46
  4. Step 4: Simplify right side
    120,810.45x = 11,186,075,623.74
  5. Step 5: Solve for x
    x = 11,186,075,623.74/120,810.45
  6. Step 6: Final answer
    x = 92,591.95

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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.