Home / 93,768.12-129,400.74-57,949.92

Finding the Fourth Proportional to 93,768.12, 129,400.74 and 57,949.92

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Solution

The fourth proportional to 93,768.12, 129,400.74 and 57,949.92 is: 79,971.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,768.12 : 129,400.74 = 57,949.92 : x
  2. Step 2: Convert to fraction form
    93,768.12/129,400.74 = 57,949.92/x
  3. Step 3: Cross multiply
    93,768.12x = 129,400.74 × 57,949.92
  4. Step 4: Simplify right side
    93,768.12x = 7,498,762,530.94
  5. Step 5: Solve for x
    x = 7,498,762,530.94/93,768.12
  6. Step 6: Final answer
    x = 79,971.34

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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.