Home / 92,834.57-128,111.58-50,393.09

Finding the Fourth Proportional to 92,834.57, 128,111.58 and 50,393.09

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Solution

The fourth proportional to 92,834.57, 128,111.58 and 50,393.09 is: 69,542.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,834.57 : 128,111.58 = 50,393.09 : x
  2. Step 2: Convert to fraction form
    92,834.57/128,111.58 = 50,393.09/x
  3. Step 3: Cross multiply
    92,834.57x = 128,111.58 × 50,393.09
  4. Step 4: Simplify right side
    92,834.57x = 6,455,937,740.42
  5. Step 5: Solve for x
    x = 6,455,937,740.42/92,834.57
  6. Step 6: Final answer
    x = 69,542.39

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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.