Home / 89,657.85-134,636.73-56,002.20

Finding the Fourth Proportional to 89,657.85, 134,636.73 and 56,002.20

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Solution

The fourth proportional to 89,657.85, 134,636.73 and 56,002.20 is: 84,096.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,657.85 : 134,636.73 = 56,002.20 : x
  2. Step 2: Convert to fraction form
    89,657.85/134,636.73 = 56,002.20/x
  3. Step 3: Cross multiply
    89,657.85x = 134,636.73 × 56,002.20
  4. Step 4: Simplify right side
    89,657.85x = 7,539,953,438.25
  5. Step 5: Solve for x
    x = 7,539,953,438.25/89,657.85
  6. Step 6: Final answer
    x = 84,096.97

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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.