Home / 55,699.14-76,866.57-30,550.98

Finding the Fourth Proportional to 55,699.14, 76,866.57 and 30,550.98

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Solution

The fourth proportional to 55,699.14, 76,866.57 and 30,550.98 is: 42,161.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,699.14 : 76,866.57 = 30,550.98 : x
  2. Step 2: Convert to fraction form
    55,699.14/76,866.57 = 30,550.98/x
  3. Step 3: Cross multiply
    55,699.14x = 76,866.57 × 30,550.98
  4. Step 4: Simplify right side
    55,699.14x = 2,348,349,042.74
  5. Step 5: Solve for x
    x = 2,348,349,042.74/55,699.14
  6. Step 6: Final answer
    x = 42,161.32

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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.