Home / 76,159.54-105,097.58-42,169.46

Finding the Fourth Proportional to 76,159.54, 105,097.58 and 42,169.46

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Solution

The fourth proportional to 76,159.54, 105,097.58 and 42,169.46 is: 58,192.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,159.54 : 105,097.58 = 42,169.46 : x
  2. Step 2: Convert to fraction form
    76,159.54/105,097.58 = 42,169.46/x
  3. Step 3: Cross multiply
    76,159.54x = 105,097.58 × 42,169.46
  4. Step 4: Simplify right side
    76,159.54x = 4,431,907,670.42
  5. Step 5: Solve for x
    x = 4,431,907,670.42/76,159.54
  6. Step 6: Final answer
    x = 58,192.42

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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.