Home / 86,650.56-119,533.50-56,486.34

Finding the Fourth Proportional to 86,650.56, 119,533.50 and 56,486.34

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Solution

The fourth proportional to 86,650.56, 119,533.50 and 56,486.34 is: 77,922.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,650.56 : 119,533.50 = 56,486.34 : x
  2. Step 2: Convert to fraction form
    86,650.56/119,533.50 = 56,486.34/x
  3. Step 3: Cross multiply
    86,650.56x = 119,533.50 × 56,486.34
  4. Step 4: Simplify right side
    86,650.56x = 6,752,009,922.39
  5. Step 5: Solve for x
    x = 6,752,009,922.39/86,650.56
  6. Step 6: Final answer
    x = 77,922.29

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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.