Home / 92,962.08-128,287.68-50,520.63

Finding the Fourth Proportional to 92,962.08, 128,287.68 and 50,520.63

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Solution

The fourth proportional to 92,962.08, 128,287.68 and 50,520.63 is: 69,718.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,962.08 : 128,287.68 = 50,520.63 : x
  2. Step 2: Convert to fraction form
    92,962.08/128,287.68 = 50,520.63/x
  3. Step 3: Cross multiply
    92,962.08x = 128,287.68 × 50,520.63
  4. Step 4: Simplify right side
    92,962.08x = 6,481,174,414.84
  5. Step 5: Solve for x
    x = 6,481,174,414.84/92,962.08
  6. Step 6: Final answer
    x = 69,718.47

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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.