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Finding the Fourth Proportional to 90,055.08, 135,034.02 and 63,811.08

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Solution

The fourth proportional to 90,055.08, 135,034.02 and 63,811.08 is: 95,682.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,055.08 : 135,034.02 = 63,811.08 : x
  2. Step 2: Convert to fraction form
    90,055.08/135,034.02 = 63,811.08/x
  3. Step 3: Cross multiply
    90,055.08x = 135,034.02 × 63,811.08
  4. Step 4: Simplify right side
    90,055.08x = 8,616,666,652.94
  5. Step 5: Solve for x
    x = 8,616,666,652.94/90,055.08
  6. Step 6: Final answer
    x = 95,682.18

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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.