Home / 85,014.36-127,511.82-22,689.72

Finding the Fourth Proportional to 85,014.36, 127,511.82 and 22,689.72

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Solution

The fourth proportional to 85,014.36, 127,511.82 and 22,689.72 is: 34,031.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,014.36 : 127,511.82 = 22,689.72 : x
  2. Step 2: Convert to fraction form
    85,014.36/127,511.82 = 22,689.72/x
  3. Step 3: Cross multiply
    85,014.36x = 127,511.82 × 22,689.72
  4. Step 4: Simplify right side
    85,014.36x = 2,893,207,492.49
  5. Step 5: Solve for x
    x = 2,893,207,492.49/85,014.36
  6. Step 6: Final answer
    x = 34,031.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.