Home / 93,971.36-129,686.38-51,529.89

Finding the Fourth Proportional to 93,971.36, 129,686.38 and 51,529.89

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Solution

The fourth proportional to 93,971.36, 129,686.38 and 51,529.89 is: 71,114.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,971.36 : 129,686.38 = 51,529.89 : x
  2. Step 2: Convert to fraction form
    93,971.36/129,686.38 = 51,529.89/x
  3. Step 3: Cross multiply
    93,971.36x = 129,686.38 × 51,529.89
  4. Step 4: Simplify right side
    93,971.36x = 6,682,723,989.82
  5. Step 5: Solve for x
    x = 6,682,723,989.82/93,971.36
  6. Step 6: Final answer
    x = 71,114.48

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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.