Home / 92,956.18-128,276.04-50,513.80

Finding the Fourth Proportional to 92,956.18, 128,276.04 and 50,513.80

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Solution

The fourth proportional to 92,956.18, 128,276.04 and 50,513.80 is: 69,707.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,956.18 : 128,276.04 = 50,513.80 : x
  2. Step 2: Convert to fraction form
    92,956.18/128,276.04 = 50,513.80/x
  3. Step 3: Cross multiply
    92,956.18x = 128,276.04 × 50,513.80
  4. Step 4: Simplify right side
    92,956.18x = 6,479,710,229.35
  5. Step 5: Solve for x
    x = 6,479,710,229.35/92,956.18
  6. Step 6: Final answer
    x = 69,707.15

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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.