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Finding the Fourth Proportional to 88,835.40, 133,080.30 and 53,670.60

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Solution

The fourth proportional to 88,835.40, 133,080.30 and 53,670.60 is: 80,401.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,835.40 : 133,080.30 = 53,670.60 : x
  2. Step 2: Convert to fraction form
    88,835.40/133,080.30 = 53,670.60/x
  3. Step 3: Cross multiply
    88,835.40x = 133,080.30 × 53,670.60
  4. Step 4: Simplify right side
    88,835.40x = 7,142,499,549.18
  5. Step 5: Solve for x
    x = 7,142,499,549.18/88,835.40
  6. Step 6: Final answer
    x = 80,401.50

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.