Home / 89,088.09-133,651.23-25,909.30

Finding the Fourth Proportional to 89,088.09, 133,651.23 and 25,909.30

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Solution

The fourth proportional to 89,088.09, 133,651.23 and 25,909.30 is: 38,869.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,088.09 : 133,651.23 = 25,909.30 : x
  2. Step 2: Convert to fraction form
    89,088.09/133,651.23 = 25,909.30/x
  3. Step 3: Cross multiply
    89,088.09x = 133,651.23 × 25,909.30
  4. Step 4: Simplify right side
    89,088.09x = 3,462,809,813.44
  5. Step 5: Solve for x
    x = 3,462,809,813.44/89,088.09
  6. Step 6: Final answer
    x = 38,869.50

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1.5x scale

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.