Home / 69,459.45-104,148.95-61,156.14

Finding the Fourth Proportional to 69,459.45, 104,148.95 and 61,156.14

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Solution

The fourth proportional to 69,459.45, 104,148.95 and 61,156.14 is: 91,698.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,459.45 : 104,148.95 = 61,156.14 : x
  2. Step 2: Convert to fraction form
    69,459.45/104,148.95 = 61,156.14/x
  3. Step 3: Cross multiply
    69,459.45x = 104,148.95 × 61,156.14
  4. Step 4: Simplify right side
    69,459.45x = 6,369,347,461.27
  5. Step 5: Solve for x
    x = 6,369,347,461.27/69,459.45
  6. Step 6: Final answer
    x = 91,698.79

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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.