Home / 88,485.40-122,134.94-58,292.76

Finding the Fourth Proportional to 88,485.40, 122,134.94 and 58,292.76

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Solution

The fourth proportional to 88,485.40, 122,134.94 and 58,292.76 is: 80,460.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,485.40 : 122,134.94 = 58,292.76 : x
  2. Step 2: Convert to fraction form
    88,485.40/122,134.94 = 58,292.76/x
  3. Step 3: Cross multiply
    88,485.40x = 122,134.94 × 58,292.76
  4. Step 4: Simplify right side
    88,485.40x = 7,119,582,745.03
  5. Step 5: Solve for x
    x = 7,119,582,745.03/88,485.40
  6. Step 6: Final answer
    x = 80,460.54

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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.