Home / 92,288.43-127,342.53-51,443.64

Finding the Fourth Proportional to 92,288.43, 127,342.53 and 51,443.64

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Solution

The fourth proportional to 92,288.43, 127,342.53 and 51,443.64 is: 70,983.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,288.43 : 127,342.53 = 51,443.64 : x
  2. Step 2: Convert to fraction form
    92,288.43/127,342.53 = 51,443.64/x
  3. Step 3: Cross multiply
    92,288.43x = 127,342.53 × 51,443.64
  4. Step 4: Simplify right side
    92,288.43x = 6,550,963,270.01
  5. Step 5: Solve for x
    x = 6,550,963,270.01/92,288.43
  6. Step 6: Final answer
    x = 70,983.58

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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.