Home / 89,378.01-134,031.87-32,438.34

Finding the Fourth Proportional to 89,378.01, 134,031.87 and 32,438.34

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Solution

The fourth proportional to 89,378.01, 134,031.87 and 32,438.34 is: 48,644.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,378.01 : 134,031.87 = 32,438.34 : x
  2. Step 2: Convert to fraction form
    89,378.01/134,031.87 = 32,438.34/x
  3. Step 3: Cross multiply
    89,378.01x = 134,031.87 × 32,438.34
  4. Step 4: Simplify right side
    89,378.01x = 4,347,771,369.90
  5. Step 5: Solve for x
    x = 4,347,771,369.90/89,378.01
  6. Step 6: Final answer
    x = 48,644.75

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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.