Home / 92,962.17-128,288.61-50,520.70

Finding the Fourth Proportional to 92,962.17, 128,288.61 and 50,520.70

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Solution

The fourth proportional to 92,962.17, 128,288.61 and 50,520.70 is: 69,719.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,962.17 : 128,288.61 = 50,520.70 : x
  2. Step 2: Convert to fraction form
    92,962.17/128,288.61 = 50,520.70/x
  3. Step 3: Cross multiply
    92,962.17x = 128,288.61 × 50,520.70
  4. Step 4: Simplify right side
    92,962.17x = 6,481,230,379.23
  5. Step 5: Solve for x
    x = 6,481,230,379.23/92,962.17
  6. Step 6: Final answer
    x = 69,719.01

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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.