Home / 90,928.60-136,036.50-59,824.60

Finding the Fourth Proportional to 90,928.60, 136,036.50 and 59,824.60

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Solution

The fourth proportional to 90,928.60, 136,036.50 and 59,824.60 is: 89,502.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,928.60 : 136,036.50 = 59,824.60 : x
  2. Step 2: Convert to fraction form
    90,928.60/136,036.50 = 59,824.60/x
  3. Step 3: Cross multiply
    90,928.60x = 136,036.50 × 59,824.60
  4. Step 4: Simplify right side
    90,928.60x = 8,138,329,197.90
  5. Step 5: Solve for x
    x = 8,138,329,197.90/90,928.60
  6. Step 6: Final answer
    x = 89,502.41

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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.