Home / 90,576.48-135,812.88-37,941.60

Finding the Fourth Proportional to 90,576.48, 135,812.88 and 37,941.60

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Solution

The fourth proportional to 90,576.48, 135,812.88 and 37,941.60 is: 56,890.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,576.48 : 135,812.88 = 37,941.60 : x
  2. Step 2: Convert to fraction form
    90,576.48/135,812.88 = 37,941.60/x
  3. Step 3: Cross multiply
    90,576.48x = 135,812.88 × 37,941.60
  4. Step 4: Simplify right side
    90,576.48x = 5,152,957,967.81
  5. Step 5: Solve for x
    x = 5,152,957,967.81/90,576.48
  6. Step 6: Final answer
    x = 56,890.68

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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.