Home / 92,786.53-128,044.76-50,345.06

Finding the Fourth Proportional to 92,786.53, 128,044.76 and 50,345.06

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Solution

The fourth proportional to 92,786.53, 128,044.76 and 50,345.06 is: 69,475.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,786.53 : 128,044.76 = 50,345.06 : x
  2. Step 2: Convert to fraction form
    92,786.53/128,044.76 = 50,345.06/x
  3. Step 3: Cross multiply
    92,786.53x = 128,044.76 × 50,345.06
  4. Step 4: Simplify right side
    92,786.53x = 6,446,421,124.89
  5. Step 5: Solve for x
    x = 6,446,421,124.89/92,786.53
  6. Step 6: Final answer
    x = 69,475.83

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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.