Home / 89,074.32-133,406.40-51,541.26

Finding the Fourth Proportional to 89,074.32, 133,406.40 and 51,541.26

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Solution

The fourth proportional to 89,074.32, 133,406.40 and 51,541.26 is: 77,193.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,074.32 : 133,406.40 = 51,541.26 : x
  2. Step 2: Convert to fraction form
    89,074.32/133,406.40 = 51,541.26/x
  3. Step 3: Cross multiply
    89,074.32x = 133,406.40 × 51,541.26
  4. Step 4: Simplify right side
    89,074.32x = 6,875,933,948.06
  5. Step 5: Solve for x
    x = 6,875,933,948.06/89,074.32
  6. Step 6: Final answer
    x = 77,193.22

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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.