Home / 98,746.16-148,133.81-28,616.36

Finding the Fourth Proportional to 98,746.16, 148,133.81 and 28,616.36

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Solution

The fourth proportional to 98,746.16, 148,133.81 and 28,616.36 is: 42,928.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,746.16 : 148,133.81 = 28,616.36 : x
  2. Step 2: Convert to fraction form
    98,746.16/148,133.81 = 28,616.36/x
  3. Step 3: Cross multiply
    98,746.16x = 148,133.81 × 28,616.36
  4. Step 4: Simplify right side
    98,746.16x = 4,239,049,766.00
  5. Step 5: Solve for x
    x = 4,239,049,766.00/98,746.16
  6. Step 6: Final answer
    x = 42,928.76

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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.