Home / 90,592.02-135,933.19-40,707.77

Finding the Fourth Proportional to 90,592.02, 135,933.19 and 40,707.77

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Solution

The fourth proportional to 90,592.02, 135,933.19 and 40,707.77 is: 61,081.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,592.02 : 135,933.19 = 40,707.77 : x
  2. Step 2: Convert to fraction form
    90,592.02/135,933.19 = 40,707.77/x
  3. Step 3: Cross multiply
    90,592.02x = 135,933.19 × 40,707.77
  4. Step 4: Simplify right side
    90,592.02x = 5,533,536,252.45
  5. Step 5: Solve for x
    x = 5,533,536,252.45/90,592.02
  6. Step 6: Final answer
    x = 61,081.94

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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.