Home / 92,515.17-127,668.37-51,678.21

Finding the Fourth Proportional to 92,515.17, 127,668.37 and 51,678.21

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Solution

The fourth proportional to 92,515.17, 127,668.37 and 51,678.21 is: 71,314.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,515.17 : 127,668.37 = 51,678.21 : x
  2. Step 2: Convert to fraction form
    92,515.17/127,668.37 = 51,678.21/x
  3. Step 3: Cross multiply
    92,515.17x = 127,668.37 × 51,678.21
  4. Step 4: Simplify right side
    92,515.17x = 6,597,672,835.22
  5. Step 5: Solve for x
    x = 6,597,672,835.22/92,515.17
  6. Step 6: Final answer
    x = 71,314.50

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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.