Home / 75,287.56-104,018.88-64,075.54

Finding the Fourth Proportional to 75,287.56, 104,018.88 and 64,075.54

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Solution

The fourth proportional to 75,287.56, 104,018.88 and 64,075.54 is: 88,528.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,287.56 : 104,018.88 = 64,075.54 : x
  2. Step 2: Convert to fraction form
    75,287.56/104,018.88 = 64,075.54/x
  3. Step 3: Cross multiply
    75,287.56x = 104,018.88 × 64,075.54
  4. Step 4: Simplify right side
    75,287.56x = 6,665,065,906.20
  5. Step 5: Solve for x
    x = 6,665,065,906.20/75,287.56
  6. Step 6: Final answer
    x = 88,528.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.