Home / 98,099.48-135,373.20-57,814.94

Finding the Fourth Proportional to 98,099.48, 135,373.20 and 57,814.94

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Solution

The fourth proportional to 98,099.48, 135,373.20 and 57,814.94 is: 79,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,099.48 : 135,373.20 = 57,814.94 : x
  2. Step 2: Convert to fraction form
    98,099.48/135,373.20 = 57,814.94/x
  3. Step 3: Cross multiply
    98,099.48x = 135,373.20 × 57,814.94
  4. Step 4: Simplify right side
    98,099.48x = 7,826,593,435.61
  5. Step 5: Solve for x
    x = 7,826,593,435.61/98,099.48
  6. Step 6: Final answer
    x = 79,782.21

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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.