Home / 98,341.86-135,710.49-55,321.24

Finding the Fourth Proportional to 98,341.86, 135,710.49 and 55,321.24

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Solution

The fourth proportional to 98,341.86, 135,710.49 and 55,321.24 is: 76,342.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,341.86 : 135,710.49 = 55,321.24 : x
  2. Step 2: Convert to fraction form
    98,341.86/135,710.49 = 55,321.24/x
  3. Step 3: Cross multiply
    98,341.86x = 135,710.49 × 55,321.24
  4. Step 4: Simplify right side
    98,341.86x = 7,507,672,998.65
  5. Step 5: Solve for x
    x = 7,507,672,998.65/98,341.86
  6. Step 6: Final answer
    x = 76,342.60

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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.