Home / 82,420.52-123,623.93-26,258.36

Finding the Fourth Proportional to 82,420.52, 123,623.93 and 26,258.36

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Solution

The fourth proportional to 82,420.52, 123,623.93 and 26,258.36 is: 39,385.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,420.52 : 123,623.93 = 26,258.36 : x
  2. Step 2: Convert to fraction form
    82,420.52/123,623.93 = 26,258.36/x
  3. Step 3: Cross multiply
    82,420.52x = 123,623.93 × 26,258.36
  4. Step 4: Simplify right side
    82,420.52x = 3,246,161,106.08
  5. Step 5: Solve for x
    x = 3,246,161,106.08/82,420.52
  6. Step 6: Final answer
    x = 39,385.35

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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.