Home / 75,063.76-103,596.87-42,359.02

Finding the Fourth Proportional to 75,063.76, 103,596.87 and 42,359.02

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Solution

The fourth proportional to 75,063.76, 103,596.87 and 42,359.02 is: 58,460.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,063.76 : 103,596.87 = 42,359.02 : x
  2. Step 2: Convert to fraction form
    75,063.76/103,596.87 = 42,359.02/x
  3. Step 3: Cross multiply
    75,063.76x = 103,596.87 × 42,359.02
  4. Step 4: Simplify right side
    75,063.76x = 4,388,261,888.27
  5. Step 5: Solve for x
    x = 4,388,261,888.27/75,063.76
  6. Step 6: Final answer
    x = 58,460.46

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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.