Home / 89,132.09-133,608.16-55,875.51

Finding the Fourth Proportional to 89,132.09, 133,608.16 and 55,875.51

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Solution

The fourth proportional to 89,132.09, 133,608.16 and 55,875.51 is: 83,756.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,132.09 : 133,608.16 = 55,875.51 : x
  2. Step 2: Convert to fraction form
    89,132.09/133,608.16 = 55,875.51/x
  3. Step 3: Cross multiply
    89,132.09x = 133,608.16 × 55,875.51
  4. Step 4: Simplify right side
    89,132.09x = 7,465,424,150.01
  5. Step 5: Solve for x
    x = 7,465,424,150.01/89,132.09
  6. Step 6: Final answer
    x = 83,756.87

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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.