Home / 89,115.20-133,701.60-59,566.40

Finding the Fourth Proportional to 89,115.20, 133,701.60 and 59,566.40

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Solution

The fourth proportional to 89,115.20, 133,701.60 and 59,566.40 is: 89,368.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,115.20 : 133,701.60 = 59,566.40 : x
  2. Step 2: Convert to fraction form
    89,115.20/133,701.60 = 59,566.40/x
  3. Step 3: Cross multiply
    89,115.20x = 133,701.60 × 59,566.40
  4. Step 4: Simplify right side
    89,115.20x = 7,964,122,986.24
  5. Step 5: Solve for x
    x = 7,964,122,986.24/89,115.20
  6. Step 6: Final answer
    x = 89,368.85

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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.