Home / 91,075.81-136,493.77-51,094.04

Finding the Fourth Proportional to 91,075.81, 136,493.77 and 51,094.04

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Solution

The fourth proportional to 91,075.81, 136,493.77 and 51,094.04 is: 76,573.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,075.81 : 136,493.77 = 51,094.04 : x
  2. Step 2: Convert to fraction form
    91,075.81/136,493.77 = 51,094.04/x
  3. Step 3: Cross multiply
    91,075.81x = 136,493.77 × 51,094.04
  4. Step 4: Simplify right side
    91,075.81x = 6,974,017,333.93
  5. Step 5: Solve for x
    x = 6,974,017,333.93/91,075.81
  6. Step 6: Final answer
    x = 76,573.76

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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.