Home / 56,070.33-77,376.44-30,576.62

Finding the Fourth Proportional to 56,070.33, 77,376.44 and 30,576.62

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Solution

The fourth proportional to 56,070.33, 77,376.44 and 30,576.62 is: 42,195.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,070.33 : 77,376.44 = 30,576.62 : x
  2. Step 2: Convert to fraction form
    56,070.33/77,376.44 = 30,576.62/x
  3. Step 3: Cross multiply
    56,070.33x = 77,376.44 × 30,576.62
  4. Step 4: Simplify right side
    56,070.33x = 2,365,909,463.07
  5. Step 5: Solve for x
    x = 2,365,909,463.07/56,070.33
  6. Step 6: Final answer
    x = 42,195.39

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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.