Home / 75,810.06-113,589-46,138.14

Finding the Fourth Proportional to 75,810.06, 113,589 and 46,138.14

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Solution

The fourth proportional to 75,810.06, 113,589 and 46,138.14 is: 69,130.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,810.06 : 113,589 = 46,138.14 : x
  2. Step 2: Convert to fraction form
    75,810.06/113,589 = 46,138.14/x
  3. Step 3: Cross multiply
    75,810.06x = 113,589 × 46,138.14
  4. Step 4: Simplify right side
    75,810.06x = 5,240,785,184.46
  5. Step 5: Solve for x
    x = 5,240,785,184.46/75,810.06
  6. Step 6: Final answer
    x = 69,130.47

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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.