Home / 93,979.23-129,693.90-53,699.55

Finding the Fourth Proportional to 93,979.23, 129,693.90 and 53,699.55

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Solution

The fourth proportional to 93,979.23, 129,693.90 and 53,699.55 is: 74,106.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,979.23 : 129,693.90 = 53,699.55 : x
  2. Step 2: Convert to fraction form
    93,979.23/129,693.90 = 53,699.55/x
  3. Step 3: Cross multiply
    93,979.23x = 129,693.90 × 53,699.55
  4. Step 4: Simplify right side
    93,979.23x = 6,964,504,067.75
  5. Step 5: Solve for x
    x = 6,964,504,067.75/93,979.23
  6. Step 6: Final answer
    x = 74,106.84

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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.