Home / 92,979.07-128,311.56-50,537.57

Finding the Fourth Proportional to 92,979.07, 128,311.56 and 50,537.57

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Solution

The fourth proportional to 92,979.07, 128,311.56 and 50,537.57 is: 69,742.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,979.07 : 128,311.56 = 50,537.57 : x
  2. Step 2: Convert to fraction form
    92,979.07/128,311.56 = 50,537.57/x
  3. Step 3: Cross multiply
    92,979.07x = 128,311.56 × 50,537.57
  4. Step 4: Simplify right side
    92,979.07x = 6,484,554,445.31
  5. Step 5: Solve for x
    x = 6,484,554,445.31/92,979.07
  6. Step 6: Final answer
    x = 69,742.09

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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.