Home / 88,991.60-122,803.08-48,697.36

Finding the Fourth Proportional to 88,991.60, 122,803.08 and 48,697.36

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Solution

The fourth proportional to 88,991.60, 122,803.08 and 48,697.36 is: 67,199.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,991.60 : 122,803.08 = 48,697.36 : x
  2. Step 2: Convert to fraction form
    88,991.60/122,803.08 = 48,697.36/x
  3. Step 3: Cross multiply
    88,991.60x = 122,803.08 × 48,697.36
  4. Step 4: Simplify right side
    88,991.60x = 5,980,185,795.87
  5. Step 5: Solve for x
    x = 5,980,185,795.87/88,991.60
  6. Step 6: Final answer
    x = 67,199.44

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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.