Home / 83,071.08-124,513.74-43,632.36

Finding the Fourth Proportional to 83,071.08, 124,513.74 and 43,632.36

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Solution

The fourth proportional to 83,071.08, 124,513.74 and 43,632.36 is: 65,399.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,071.08 : 124,513.74 = 43,632.36 : x
  2. Step 2: Convert to fraction form
    83,071.08/124,513.74 = 43,632.36/x
  3. Step 3: Cross multiply
    83,071.08x = 124,513.74 × 43,632.36
  4. Step 4: Simplify right side
    83,071.08x = 5,432,828,328.63
  5. Step 5: Solve for x
    x = 5,432,828,328.63/83,071.08
  6. Step 6: Final answer
    x = 65,399.76

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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.