Home / 85,113.20-127,678.68-32,566.64

Finding the Fourth Proportional to 85,113.20, 127,678.68 and 32,566.64

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Solution

The fourth proportional to 85,113.20, 127,678.68 and 32,566.64 is: 48,853.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,113.20 : 127,678.68 = 32,566.64 : x
  2. Step 2: Convert to fraction form
    85,113.20/127,678.68 = 32,566.64/x
  3. Step 3: Cross multiply
    85,113.20x = 127,678.68 × 32,566.64
  4. Step 4: Simplify right side
    85,113.20x = 4,158,065,607.24
  5. Step 5: Solve for x
    x = 4,158,065,607.24/85,113.20
  6. Step 6: Final answer
    x = 48,853.36

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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.