Home / 115,727.88-173,657.38-45,656.40

Finding the Fourth Proportional to 115,727.88, 173,657.38 and 45,656.40

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Solution

The fourth proportional to 115,727.88, 173,657.38 and 45,656.40 is: 68,510.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,727.88 : 173,657.38 = 45,656.40 : x
  2. Step 2: Convert to fraction form
    115,727.88/173,657.38 = 45,656.40/x
  3. Step 3: Cross multiply
    115,727.88x = 173,657.38 × 45,656.40
  4. Step 4: Simplify right side
    115,727.88x = 7,928,570,804.23
  5. Step 5: Solve for x
    x = 7,928,570,804.23/115,727.88
  6. Step 6: Final answer
    x = 68,510.46

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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.