Home / 94,748.40-142,122.60-55,285.20

Finding the Fourth Proportional to 94,748.40, 142,122.60 and 55,285.20

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Solution

The fourth proportional to 94,748.40, 142,122.60 and 55,285.20 is: 82,927.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,748.40 : 142,122.60 = 55,285.20 : x
  2. Step 2: Convert to fraction form
    94,748.40/142,122.60 = 55,285.20/x
  3. Step 3: Cross multiply
    94,748.40x = 142,122.60 × 55,285.20
  4. Step 4: Simplify right side
    94,748.40x = 7,857,276,365.52
  5. Step 5: Solve for x
    x = 7,857,276,365.52/94,748.40
  6. Step 6: Final answer
    x = 82,927.80

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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.