Home / 89,028.80-133,526.16-26,699.20

Finding the Fourth Proportional to 89,028.80, 133,526.16 and 26,699.20

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Solution

The fourth proportional to 89,028.80, 133,526.16 and 26,699.20 is: 40,043.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,028.80 : 133,526.16 = 26,699.20 : x
  2. Step 2: Convert to fraction form
    89,028.80/133,526.16 = 26,699.20/x
  3. Step 3: Cross multiply
    89,028.80x = 133,526.16 × 26,699.20
  4. Step 4: Simplify right side
    89,028.80x = 3,565,041,651.07
  5. Step 5: Solve for x
    x = 3,565,041,651.07/89,028.80
  6. Step 6: Final answer
    x = 40,043.69

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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.