Home / 76,089.64-105,006.82-42,097.56

Finding the Fourth Proportional to 76,089.64, 105,006.82 and 42,097.56

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Solution

The fourth proportional to 76,089.64, 105,006.82 and 42,097.56 is: 58,096.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,089.64 : 105,006.82 = 42,097.56 : x
  2. Step 2: Convert to fraction form
    76,089.64/105,006.82 = 42,097.56/x
  3. Step 3: Cross multiply
    76,089.64x = 105,006.82 × 42,097.56
  4. Step 4: Simplify right side
    76,089.64x = 4,420,530,905.36
  5. Step 5: Solve for x
    x = 4,420,530,905.36/76,089.64
  6. Step 6: Final answer
    x = 58,096.36

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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.