Home / 88,825.40-133,065.30-53,660.60

Finding the Fourth Proportional to 88,825.40, 133,065.30 and 53,660.60

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Solution

The fourth proportional to 88,825.40, 133,065.30 and 53,660.60 is: 80,386.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,825.40 : 133,065.30 = 53,660.60 : x
  2. Step 2: Convert to fraction form
    88,825.40/133,065.30 = 53,660.60/x
  3. Step 3: Cross multiply
    88,825.40x = 133,065.30 × 53,660.60
  4. Step 4: Simplify right side
    88,825.40x = 7,140,363,837.18
  5. Step 5: Solve for x
    x = 7,140,363,837.18/88,825.40
  6. Step 6: Final answer
    x = 80,386.51

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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.