Home / 90,908.64-136,360.80-24,348.72

Finding the Fourth Proportional to 90,908.64, 136,360.80 and 24,348.72

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Solution

The fourth proportional to 90,908.64, 136,360.80 and 24,348.72 is: 36,522.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,908.64 : 136,360.80 = 24,348.72 : x
  2. Step 2: Convert to fraction form
    90,908.64/136,360.80 = 24,348.72/x
  3. Step 3: Cross multiply
    90,908.64x = 136,360.80 × 24,348.72
  4. Step 4: Simplify right side
    90,908.64x = 3,320,210,938.18
  5. Step 5: Solve for x
    x = 3,320,210,938.18/90,908.64
  6. Step 6: Final answer
    x = 36,522.50

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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.