Home / 92,908.27-128,142.77-64,275.58

Finding the Fourth Proportional to 92,908.27, 128,142.77 and 64,275.58

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Solution

The fourth proportional to 92,908.27, 128,142.77 and 64,275.58 is: 88,651.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,908.27 : 128,142.77 = 64,275.58 : x
  2. Step 2: Convert to fraction form
    92,908.27/128,142.77 = 64,275.58/x
  3. Step 3: Cross multiply
    92,908.27x = 128,142.77 × 64,275.58
  4. Step 4: Simplify right side
    92,908.27x = 8,236,450,864.56
  5. Step 5: Solve for x
    x = 8,236,450,864.56/92,908.27
  6. Step 6: Final answer
    x = 88,651.43

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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.