Home / 113,450.48-156,558.92-71,032.40

Finding the Fourth Proportional to 113,450.48, 156,558.92 and 71,032.40

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Solution

The fourth proportional to 113,450.48, 156,558.92 and 71,032.40 is: 98,022.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,450.48 : 156,558.92 = 71,032.40 : x
  2. Step 2: Convert to fraction form
    113,450.48/156,558.92 = 71,032.40/x
  3. Step 3: Cross multiply
    113,450.48x = 156,558.92 × 71,032.40
  4. Step 4: Simplify right side
    113,450.48x = 11,120,755,829.01
  5. Step 5: Solve for x
    x = 11,120,755,829.01/113,450.48
  6. Step 6: Final answer
    x = 98,022.99

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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.