Home / 99,221.36-148,730.01-39,225.40

Finding the Fourth Proportional to 99,221.36, 148,730.01 and 39,225.40

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Solution

The fourth proportional to 99,221.36, 148,730.01 and 39,225.40 is: 58,797.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,221.36 : 148,730.01 = 39,225.40 : x
  2. Step 2: Convert to fraction form
    99,221.36/148,730.01 = 39,225.40/x
  3. Step 3: Cross multiply
    99,221.36x = 148,730.01 × 39,225.40
  4. Step 4: Simplify right side
    99,221.36x = 5,833,993,615.33
  5. Step 5: Solve for x
    x = 5,833,993,615.33/99,221.36
  6. Step 6: Final answer
    x = 58,797.76

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1.5x scale

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.