Home / 88,289.75-121,839.26-48,003.50

Finding the Fourth Proportional to 88,289.75, 121,839.26 and 48,003.50

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Solution

The fourth proportional to 88,289.75, 121,839.26 and 48,003.50 is: 66,244.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,289.75 : 121,839.26 = 48,003.50 : x
  2. Step 2: Convert to fraction form
    88,289.75/121,839.26 = 48,003.50/x
  3. Step 3: Cross multiply
    88,289.75x = 121,839.26 × 48,003.50
  4. Step 4: Simplify right side
    88,289.75x = 5,848,710,068.20
  5. Step 5: Solve for x
    x = 5,848,710,068.20/88,289.75
  6. Step 6: Final answer
    x = 66,244.50

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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.