Home / 91,310.38-126,005.90-51,024.47

Finding the Fourth Proportional to 91,310.38, 126,005.90 and 51,024.47

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Solution

The fourth proportional to 91,310.38, 126,005.90 and 51,024.47 is: 70,412.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,310.38 : 126,005.90 = 51,024.47 : x
  2. Step 2: Convert to fraction form
    91,310.38/126,005.90 = 51,024.47/x
  3. Step 3: Cross multiply
    91,310.38x = 126,005.90 × 51,024.47
  4. Step 4: Simplify right side
    91,310.38x = 6,429,384,264.37
  5. Step 5: Solve for x
    x = 6,429,384,264.37/91,310.38
  6. Step 6: Final answer
    x = 70,412.41

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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.