Home / 88,287.58-121,835.64-48,000.34

Finding the Fourth Proportional to 88,287.58, 121,835.64 and 48,000.34

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Solution

The fourth proportional to 88,287.58, 121,835.64 and 48,000.34 is: 66,239.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,287.58 : 121,835.64 = 48,000.34 : x
  2. Step 2: Convert to fraction form
    88,287.58/121,835.64 = 48,000.34/x
  3. Step 3: Cross multiply
    88,287.58x = 121,835.64 × 48,000.34
  4. Step 4: Simplify right side
    88,287.58x = 5,848,152,144.12
  5. Step 5: Solve for x
    x = 5,848,152,144.12/88,287.58
  6. Step 6: Final answer
    x = 66,239.81

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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.