Home / 92,805.91-128,072.07-52,518.94

Finding the Fourth Proportional to 92,805.91, 128,072.07 and 52,518.94

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Solution

The fourth proportional to 92,805.91, 128,072.07 and 52,518.94 is: 72,476.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,805.91 : 128,072.07 = 52,518.94 : x
  2. Step 2: Convert to fraction form
    92,805.91/128,072.07 = 52,518.94/x
  3. Step 3: Cross multiply
    92,805.91x = 128,072.07 × 52,518.94
  4. Step 4: Simplify right side
    92,805.91x = 6,726,209,039.83
  5. Step 5: Solve for x
    x = 6,726,209,039.83/92,805.91
  6. Step 6: Final answer
    x = 72,476.09

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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.