Home / 75,281.58-103,888.26-41,289.16

Finding the Fourth Proportional to 75,281.58, 103,888.26 and 41,289.16

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Solution

The fourth proportional to 75,281.58, 103,888.26 and 41,289.16 is: 56,978.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,281.58 : 103,888.26 = 41,289.16 : x
  2. Step 2: Convert to fraction form
    75,281.58/103,888.26 = 41,289.16/x
  3. Step 3: Cross multiply
    75,281.58x = 103,888.26 × 41,289.16
  4. Step 4: Simplify right side
    75,281.58x = 4,289,458,989.26
  5. Step 5: Solve for x
    x = 4,289,458,989.26/75,281.58
  6. Step 6: Final answer
    x = 56,978.87

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1.5x scale

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.