Home / 90,702.71-136,054.37-27,523.35

Finding the Fourth Proportional to 90,702.71, 136,054.37 and 27,523.35

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Solution

The fourth proportional to 90,702.71, 136,054.37 and 27,523.35 is: 41,285.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,702.71 : 136,054.37 = 27,523.35 : x
  2. Step 2: Convert to fraction form
    90,702.71/136,054.37 = 27,523.35/x
  3. Step 3: Cross multiply
    90,702.71x = 136,054.37 × 27,523.35
  4. Step 4: Simplify right side
    90,702.71x = 3,744,671,906.92
  5. Step 5: Solve for x
    x = 3,744,671,906.92/90,702.71
  6. Step 6: Final answer
    x = 41,285.12

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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.