Home / 86,835.33-119,819.93-49,108.77

Finding the Fourth Proportional to 86,835.33, 119,819.93 and 49,108.77

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Solution

The fourth proportional to 86,835.33, 119,819.93 and 49,108.77 is: 67,762.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,835.33 : 119,819.93 = 49,108.77 : x
  2. Step 2: Convert to fraction form
    86,835.33/119,819.93 = 49,108.77/x
  3. Step 3: Cross multiply
    86,835.33x = 119,819.93 × 49,108.77
  4. Step 4: Simplify right side
    86,835.33x = 5,884,209,138.24
  5. Step 5: Solve for x
    x = 5,884,209,138.24/86,835.33
  6. Step 6: Final answer
    x = 67,762.85

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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.