Home / 76,830.55-106,033.15-46,623.56

Finding the Fourth Proportional to 76,830.55, 106,033.15 and 46,623.56

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Solution

The fourth proportional to 76,830.55, 106,033.15 and 46,623.56 is: 64,344.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,830.55 : 106,033.15 = 46,623.56 : x
  2. Step 2: Convert to fraction form
    76,830.55/106,033.15 = 46,623.56/x
  3. Step 3: Cross multiply
    76,830.55x = 106,033.15 × 46,623.56
  4. Step 4: Simplify right side
    76,830.55x = 4,943,642,459.13
  5. Step 5: Solve for x
    x = 4,943,642,459.13/76,830.55
  6. Step 6: Final answer
    x = 64,344.75

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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.