Home / 104,423.62-143,995.63-61,973.95

Finding the Fourth Proportional to 104,423.62, 143,995.63 and 61,973.95

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Solution

The fourth proportional to 104,423.62, 143,995.63 and 61,973.95 is: 85,459.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,423.62 : 143,995.63 = 61,973.95 : x
  2. Step 2: Convert to fraction form
    104,423.62/143,995.63 = 61,973.95/x
  3. Step 3: Cross multiply
    104,423.62x = 143,995.63 × 61,973.95
  4. Step 4: Simplify right side
    104,423.62x = 8,923,977,973.84
  5. Step 5: Solve for x
    x = 8,923,977,973.84/104,423.62
  6. Step 6: Final answer
    x = 85,459.38

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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.