Home / 90,935.63-125,491.43-52,702.60

Finding the Fourth Proportional to 90,935.63, 125,491.43 and 52,702.60

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Solution

The fourth proportional to 90,935.63, 125,491.43 and 52,702.60 is: 72,729.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,935.63 : 125,491.43 = 52,702.60 : x
  2. Step 2: Convert to fraction form
    90,935.63/125,491.43 = 52,702.60/x
  3. Step 3: Cross multiply
    90,935.63x = 125,491.43 × 52,702.60
  4. Step 4: Simplify right side
    90,935.63x = 6,613,724,395.59
  5. Step 5: Solve for x
    x = 6,613,724,395.59/90,935.63
  6. Step 6: Final answer
    x = 72,729.74

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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.