Home / 86,649.45-119,570.54-50,347.68

Finding the Fourth Proportional to 86,649.45, 119,570.54 and 50,347.68

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Solution

The fourth proportional to 86,649.45, 119,570.54 and 50,347.68 is: 69,476.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,649.45 : 119,570.54 = 50,347.68 : x
  2. Step 2: Convert to fraction form
    86,649.45/119,570.54 = 50,347.68/x
  3. Step 3: Cross multiply
    86,649.45x = 119,570.54 × 50,347.68
  4. Step 4: Simplify right side
    86,649.45x = 6,020,099,033.61
  5. Step 5: Solve for x
    x = 6,020,099,033.61/86,649.45
  6. Step 6: Final answer
    x = 69,476.48

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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.