Home / 93,830.22-129,485.52-51,388.65

Finding the Fourth Proportional to 93,830.22, 129,485.52 and 51,388.65

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Solution

The fourth proportional to 93,830.22, 129,485.52 and 51,388.65 is: 70,916.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,830.22 : 129,485.52 = 51,388.65 : x
  2. Step 2: Convert to fraction form
    93,830.22/129,485.52 = 51,388.65/x
  3. Step 3: Cross multiply
    93,830.22x = 129,485.52 × 51,388.65
  4. Step 4: Simplify right side
    93,830.22x = 6,654,086,067.35
  5. Step 5: Solve for x
    x = 6,654,086,067.35/93,830.22
  6. Step 6: Final answer
    x = 70,916.24

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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.