Home / 89,197.20-133,795.80-59,405.40

Finding the Fourth Proportional to 89,197.20, 133,795.80 and 59,405.40

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Solution

The fourth proportional to 89,197.20, 133,795.80 and 59,405.40 is: 89,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,197.20 : 133,795.80 = 59,405.40 : x
  2. Step 2: Convert to fraction form
    89,197.20/133,795.80 = 59,405.40/x
  3. Step 3: Cross multiply
    89,197.20x = 133,795.80 × 59,405.40
  4. Step 4: Simplify right side
    89,197.20x = 7,948,193,017.32
  5. Step 5: Solve for x
    x = 7,948,193,017.32/89,197.20
  6. Step 6: Final answer
    x = 89,108.10

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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.