Home / 56,493.19-77,957.94-30,998.98

Finding the Fourth Proportional to 56,493.19, 77,957.94 and 30,998.98

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Solution

The fourth proportional to 56,493.19, 77,957.94 and 30,998.98 is: 42,777.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,493.19 : 77,957.94 = 30,998.98 : x
  2. Step 2: Convert to fraction form
    56,493.19/77,957.94 = 30,998.98/x
  3. Step 3: Cross multiply
    56,493.19x = 77,957.94 × 30,998.98
  4. Step 4: Simplify right side
    56,493.19x = 2,416,616,622.90
  5. Step 5: Solve for x
    x = 2,416,616,622.90/56,493.19
  6. Step 6: Final answer
    x = 42,777.13

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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.