Home / 98,441.94-135,803.73-58,128.24

Finding the Fourth Proportional to 98,441.94, 135,803.73 and 58,128.24

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Solution

The fourth proportional to 98,441.94, 135,803.73 and 58,128.24 is: 80,189.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,441.94 : 135,803.73 = 58,128.24 : x
  2. Step 2: Convert to fraction form
    98,441.94/135,803.73 = 58,128.24/x
  3. Step 3: Cross multiply
    98,441.94x = 135,803.73 × 58,128.24
  4. Step 4: Simplify right side
    98,441.94x = 7,894,031,810.34
  5. Step 5: Solve for x
    x = 7,894,031,810.34/98,441.94
  6. Step 6: Final answer
    x = 80,189.72

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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.