Home / 94,018-129,746.88-51,576.54

Finding the Fourth Proportional to 94,018, 129,746.88 and 51,576.54

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Solution

The fourth proportional to 94,018, 129,746.88 and 51,576.54 is: 71,176.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,018 : 129,746.88 = 51,576.54 : x
  2. Step 2: Convert to fraction form
    94,018/129,746.88 = 51,576.54/x
  3. Step 3: Cross multiply
    94,018x = 129,746.88 × 51,576.54
  4. Step 4: Simplify right side
    94,018x = 6,691,895,146.20
  5. Step 5: Solve for x
    x = 6,691,895,146.20/94,018
  6. Step 6: Final answer
    x = 71,176.74

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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.