Home / 92,818.01-128,089.20-50,376.54

Finding the Fourth Proportional to 92,818.01, 128,089.20 and 50,376.54

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Solution

The fourth proportional to 92,818.01, 128,089.20 and 50,376.54 is: 69,519.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,818.01 : 128,089.20 = 50,376.54 : x
  2. Step 2: Convert to fraction form
    92,818.01/128,089.20 = 50,376.54/x
  3. Step 3: Cross multiply
    92,818.01x = 128,089.20 × 50,376.54
  4. Step 4: Simplify right side
    92,818.01x = 6,452,690,707.37
  5. Step 5: Solve for x
    x = 6,452,690,707.37/92,818.01
  6. Step 6: Final answer
    x = 69,519.82

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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.