Home / 113,707.44-156,912.60-62,720.04

Finding the Fourth Proportional to 113,707.44, 156,912.60 and 62,720.04

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Solution

The fourth proportional to 113,707.44, 156,912.60 and 62,720.04 is: 86,551.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,707.44 : 156,912.60 = 62,720.04 : x
  2. Step 2: Convert to fraction form
    113,707.44/156,912.60 = 62,720.04/x
  3. Step 3: Cross multiply
    113,707.44x = 156,912.60 × 62,720.04
  4. Step 4: Simplify right side
    113,707.44x = 9,841,564,548.50
  5. Step 5: Solve for x
    x = 9,841,564,548.50/113,707.44
  6. Step 6: Final answer
    x = 86,551.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.