Home / 86,645.16-119,571.23-50,835.77

Finding the Fourth Proportional to 86,645.16, 119,571.23 and 50,835.77

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Solution

The fourth proportional to 86,645.16, 119,571.23 and 50,835.77 is: 70,153.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,645.16 : 119,571.23 = 50,835.77 : x
  2. Step 2: Convert to fraction form
    86,645.16/119,571.23 = 50,835.77/x
  3. Step 3: Cross multiply
    86,645.16x = 119,571.23 × 50,835.77
  4. Step 4: Simplify right side
    86,645.16x = 6,078,495,076.13
  5. Step 5: Solve for x
    x = 6,078,495,076.13/86,645.16
  6. Step 6: Final answer
    x = 70,153.89

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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.