Home / 98,222.76-135,552.96-57,960.36

Finding the Fourth Proportional to 98,222.76, 135,552.96 and 57,960.36

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Solution

The fourth proportional to 98,222.76, 135,552.96 and 57,960.36 is: 79,988.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,222.76 : 135,552.96 = 57,960.36 : x
  2. Step 2: Convert to fraction form
    98,222.76/135,552.96 = 57,960.36/x
  3. Step 3: Cross multiply
    98,222.76x = 135,552.96 × 57,960.36
  4. Step 4: Simplify right side
    98,222.76x = 7,856,698,360.67
  5. Step 5: Solve for x
    x = 7,856,698,360.67/98,222.76
  6. Step 6: Final answer
    x = 79,988.57

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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.