Home / 94,372.29-130,234.68-51,931.80

Finding the Fourth Proportional to 94,372.29, 130,234.68 and 51,931.80

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Solution

The fourth proportional to 94,372.29, 130,234.68 and 51,931.80 is: 71,666.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,372.29 : 130,234.68 = 51,931.80 : x
  2. Step 2: Convert to fraction form
    94,372.29/130,234.68 = 51,931.80/x
  3. Step 3: Cross multiply
    94,372.29x = 130,234.68 × 51,931.80
  4. Step 4: Simplify right side
    94,372.29x = 6,763,321,354.82
  5. Step 5: Solve for x
    x = 6,763,321,354.82/94,372.29
  6. Step 6: Final answer
    x = 71,666.39

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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.