Home / 75,669.98-104,374.58-47,326.46

Finding the Fourth Proportional to 75,669.98, 104,374.58 and 47,326.46

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Solution

The fourth proportional to 75,669.98, 104,374.58 and 47,326.46 is: 65,279.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,669.98 : 104,374.58 = 47,326.46 : x
  2. Step 2: Convert to fraction form
    75,669.98/104,374.58 = 47,326.46/x
  3. Step 3: Cross multiply
    75,669.98x = 104,374.58 × 47,326.46
  4. Step 4: Simplify right side
    75,669.98x = 4,939,679,148.75
  5. Step 5: Solve for x
    x = 4,939,679,148.75/75,669.98
  6. Step 6: Final answer
    x = 65,279.24

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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.