Home / 86,550.36-119,502.77-55,941.57

Finding the Fourth Proportional to 86,550.36, 119,502.77 and 55,941.57

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Solution

The fourth proportional to 86,550.36, 119,502.77 and 55,941.57 is: 77,240.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,550.36 : 119,502.77 = 55,941.57 : x
  2. Step 2: Convert to fraction form
    86,550.36/119,502.77 = 55,941.57/x
  3. Step 3: Cross multiply
    86,550.36x = 119,502.77 × 55,941.57
  4. Step 4: Simplify right side
    86,550.36x = 6,685,172,608.11
  5. Step 5: Solve for x
    x = 6,685,172,608.11/86,550.36
  6. Step 6: Final answer
    x = 77,240.26

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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.