Home / 85,050.20-127,592.52-47,663.60

Finding the Fourth Proportional to 85,050.20, 127,592.52 and 47,663.60

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Solution

The fourth proportional to 85,050.20, 127,592.52 and 47,663.60 is: 71,505.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,050.20 : 127,592.52 = 47,663.60 : x
  2. Step 2: Convert to fraction form
    85,050.20/127,592.52 = 47,663.60/x
  3. Step 3: Cross multiply
    85,050.20x = 127,592.52 × 47,663.60
  4. Step 4: Simplify right side
    85,050.20x = 6,081,518,836.27
  5. Step 5: Solve for x
    x = 6,081,518,836.27/85,050.20
  6. Step 6: Final answer
    x = 71,505.05

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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.