Home / 92,823.08-128,096.18-50,381.61

Finding the Fourth Proportional to 92,823.08, 128,096.18 and 50,381.61

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Solution

The fourth proportional to 92,823.08, 128,096.18 and 50,381.61 is: 69,526.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,823.08 : 128,096.18 = 50,381.61 : x
  2. Step 2: Convert to fraction form
    92,823.08/128,096.18 = 50,381.61/x
  3. Step 3: Cross multiply
    92,823.08x = 128,096.18 × 50,381.61
  4. Step 4: Simplify right side
    92,823.08x = 6,453,691,909.20
  5. Step 5: Solve for x
    x = 6,453,691,909.20/92,823.08
  6. Step 6: Final answer
    x = 69,526.80

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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.