Home / 56,267.65-77,646.22-30,768.94

Finding the Fourth Proportional to 56,267.65, 77,646.22 and 30,768.94

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Solution

The fourth proportional to 56,267.65, 77,646.22 and 30,768.94 is: 42,459.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,267.65 : 77,646.22 = 30,768.94 : x
  2. Step 2: Convert to fraction form
    56,267.65/77,646.22 = 30,768.94/x
  3. Step 3: Cross multiply
    56,267.65x = 77,646.22 × 30,768.94
  4. Step 4: Simplify right side
    56,267.65x = 2,389,091,884.41
  5. Step 5: Solve for x
    x = 2,389,091,884.41/56,267.65
  6. Step 6: Final answer
    x = 42,459.42

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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.