Home / 86,401.81-119,237.03-50,588.47

Finding the Fourth Proportional to 86,401.81, 119,237.03 and 50,588.47

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Solution

The fourth proportional to 86,401.81, 119,237.03 and 50,588.47 is: 69,813.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,401.81 : 119,237.03 = 50,588.47 : x
  2. Step 2: Convert to fraction form
    86,401.81/119,237.03 = 50,588.47/x
  3. Step 3: Cross multiply
    86,401.81x = 119,237.03 × 50,588.47
  4. Step 4: Simplify right side
    86,401.81x = 6,032,018,915.04
  5. Step 5: Solve for x
    x = 6,032,018,915.04/86,401.81
  6. Step 6: Final answer
    x = 69,813.57

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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.