Home / 57,746.92-86,623.43-18,307.11

Finding the Fourth Proportional to 57,746.92, 86,623.43 and 18,307.11

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Solution

The fourth proportional to 57,746.92, 86,623.43 and 18,307.11 is: 27,461.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,746.92 : 86,623.43 = 18,307.11 : x
  2. Step 2: Convert to fraction form
    57,746.92/86,623.43 = 18,307.11/x
  3. Step 3: Cross multiply
    57,746.92x = 86,623.43 × 18,307.11
  4. Step 4: Simplify right side
    57,746.92x = 1,585,824,661.59
  5. Step 5: Solve for x
    x = 1,585,824,661.59/57,746.92
  6. Step 6: Final answer
    x = 27,461.63

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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.