Home / 92,830.52-128,106.68-50,389.35

Finding the Fourth Proportional to 92,830.52, 128,106.68 and 50,389.35

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Solution

The fourth proportional to 92,830.52, 128,106.68 and 50,389.35 is: 69,537.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,830.52 : 128,106.68 = 50,389.35 : x
  2. Step 2: Convert to fraction form
    92,830.52/128,106.68 = 50,389.35/x
  3. Step 3: Cross multiply
    92,830.52x = 128,106.68 × 50,389.35
  4. Step 4: Simplify right side
    92,830.52x = 6,455,212,083.91
  5. Step 5: Solve for x
    x = 6,455,212,083.91/92,830.52
  6. Step 6: Final answer
    x = 69,537.61

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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.