Home / 90,882.64-136,302.76-34,702.12

Finding the Fourth Proportional to 90,882.64, 136,302.76 and 34,702.12

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Solution

The fourth proportional to 90,882.64, 136,302.76 and 34,702.12 is: 52,045.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,882.64 : 136,302.76 = 34,702.12 : x
  2. Step 2: Convert to fraction form
    90,882.64/136,302.76 = 34,702.12/x
  3. Step 3: Cross multiply
    90,882.64x = 136,302.76 × 34,702.12
  4. Step 4: Simplify right side
    90,882.64x = 4,729,994,733.85
  5. Step 5: Solve for x
    x = 4,729,994,733.85/90,882.64
  6. Step 6: Final answer
    x = 52,045.09

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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.