Home / 98,440.50-135,846.66-55,998.93

Finding the Fourth Proportional to 98,440.50, 135,846.66 and 55,998.93

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Solution

The fourth proportional to 98,440.50, 135,846.66 and 55,998.93 is: 77,277.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,440.50 : 135,846.66 = 55,998.93 : x
  2. Step 2: Convert to fraction form
    98,440.50/135,846.66 = 55,998.93/x
  3. Step 3: Cross multiply
    98,440.50x = 135,846.66 × 55,998.93
  4. Step 4: Simplify right side
    98,440.50x = 7,607,267,604.07
  5. Step 5: Solve for x
    x = 7,607,267,604.07/98,440.50
  6. Step 6: Final answer
    x = 77,277.82

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1.5x scale

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.