Home / 89,184.81-133,762.97-25,990.15

Finding the Fourth Proportional to 89,184.81, 133,762.97 and 25,990.15

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Solution

The fourth proportional to 89,184.81, 133,762.97 and 25,990.15 is: 38,981.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,184.81 : 133,762.97 = 25,990.15 : x
  2. Step 2: Convert to fraction form
    89,184.81/133,762.97 = 25,990.15/x
  3. Step 3: Cross multiply
    89,184.81x = 133,762.97 × 25,990.15
  4. Step 4: Simplify right side
    89,184.81x = 3,476,518,994.72
  5. Step 5: Solve for x
    x = 3,476,518,994.72/89,184.81
  6. Step 6: Final answer
    x = 38,981.07

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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.