Home / 88,436.40-132,460.20-53,314.80

Finding the Fourth Proportional to 88,436.40, 132,460.20 and 53,314.80

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Solution

The fourth proportional to 88,436.40, 132,460.20 and 53,314.80 is: 79,855.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,436.40 : 132,460.20 = 53,314.80 : x
  2. Step 2: Convert to fraction form
    88,436.40/132,460.20 = 53,314.80/x
  3. Step 3: Cross multiply
    88,436.40x = 132,460.20 × 53,314.80
  4. Step 4: Simplify right side
    88,436.40x = 7,062,089,070.96
  5. Step 5: Solve for x
    x = 7,062,089,070.96/88,436.40
  6. Step 6: Final answer
    x = 79,855.00

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Why These Related Problems?

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