Home / 89,176.04-133,762.70-21,708.57

Finding the Fourth Proportional to 89,176.04, 133,762.70 and 21,708.57

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Solution

The fourth proportional to 89,176.04, 133,762.70 and 21,708.57 is: 32,562.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,176.04 : 133,762.70 = 21,708.57 : x
  2. Step 2: Convert to fraction form
    89,176.04/133,762.70 = 21,708.57/x
  3. Step 3: Cross multiply
    89,176.04x = 133,762.70 × 21,708.57
  4. Step 4: Simplify right side
    89,176.04x = 2,903,796,990.61
  5. Step 5: Solve for x
    x = 2,903,796,990.61/89,176.04
  6. Step 6: Final answer
    x = 32,562.53

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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.