Home / 90,444.42-135,661.15-40,511.12

Finding the Fourth Proportional to 90,444.42, 135,661.15 and 40,511.12

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Solution

The fourth proportional to 90,444.42, 135,661.15 and 40,511.12 is: 60,764.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,444.42 : 135,661.15 = 40,511.12 : x
  2. Step 2: Convert to fraction form
    90,444.42/135,661.15 = 40,511.12/x
  3. Step 3: Cross multiply
    90,444.42x = 135,661.15 × 40,511.12
  4. Step 4: Simplify right side
    90,444.42x = 5,495,784,347.40
  5. Step 5: Solve for x
    x = 5,495,784,347.40/90,444.42
  6. Step 6: Final answer
    x = 60,764.22

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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.