Home / 66,090.47-99,054.50-26,069.28

Finding the Fourth Proportional to 66,090.47, 99,054.50 and 26,069.28

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Solution

The fourth proportional to 66,090.47, 99,054.50 and 26,069.28 is: 39,071.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,090.47 : 99,054.50 = 26,069.28 : x
  2. Step 2: Convert to fraction form
    66,090.47/99,054.50 = 26,069.28/x
  3. Step 3: Cross multiply
    66,090.47x = 99,054.50 × 26,069.28
  4. Step 4: Simplify right side
    66,090.47x = 2,582,279,213.92
  5. Step 5: Solve for x
    x = 2,582,279,213.92/66,090.47
  6. Step 6: Final answer
    x = 39,071.89

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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.