Home / 98,930.28-148,273.68-56,271.52

Finding the Fourth Proportional to 98,930.28, 148,273.68 and 56,271.52

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Solution

The fourth proportional to 98,930.28, 148,273.68 and 56,271.52 is: 84,338.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,930.28 : 148,273.68 = 56,271.52 : x
  2. Step 2: Convert to fraction form
    98,930.28/148,273.68 = 56,271.52/x
  3. Step 3: Cross multiply
    98,930.28x = 148,273.68 × 56,271.52
  4. Step 4: Simplify right side
    98,930.28x = 8,343,585,349.59
  5. Step 5: Solve for x
    x = 8,343,585,349.59/98,930.28
  6. Step 6: Final answer
    x = 84,338.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.