Home / 86,632.81-119,554.28-50,823.43

Finding the Fourth Proportional to 86,632.81, 119,554.28 and 50,823.43

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Solution

The fourth proportional to 86,632.81, 119,554.28 and 50,823.43 is: 70,136.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,632.81 : 119,554.28 = 50,823.43 : x
  2. Step 2: Convert to fraction form
    86,632.81/119,554.28 = 50,823.43/x
  3. Step 3: Cross multiply
    86,632.81x = 119,554.28 × 50,823.43
  4. Step 4: Simplify right side
    86,632.81x = 6,076,158,580.78
  5. Step 5: Solve for x
    x = 6,076,158,580.78/86,632.81
  6. Step 6: Final answer
    x = 70,136.92

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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.