Home / 93,160.73-128,564.12-50,721.59

Finding the Fourth Proportional to 93,160.73, 128,564.12 and 50,721.59

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Solution

The fourth proportional to 93,160.73, 128,564.12 and 50,721.59 is: 69,997.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,160.73 : 128,564.12 = 50,721.59 : x
  2. Step 2: Convert to fraction form
    93,160.73/128,564.12 = 50,721.59/x
  3. Step 3: Cross multiply
    93,160.73x = 128,564.12 × 50,721.59
  4. Step 4: Simplify right side
    93,160.73x = 6,520,977,031.57
  5. Step 5: Solve for x
    x = 6,520,977,031.57/93,160.73
  6. Step 6: Final answer
    x = 69,997.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.