Home / 113,749.94-156,976.54-62,764.90

Finding the Fourth Proportional to 113,749.94, 156,976.54 and 62,764.90

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Solution

The fourth proportional to 113,749.94, 156,976.54 and 62,764.90 is: 86,616.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,749.94 : 156,976.54 = 62,764.90 : x
  2. Step 2: Convert to fraction form
    113,749.94/156,976.54 = 62,764.90/x
  3. Step 3: Cross multiply
    113,749.94x = 156,976.54 × 62,764.90
  4. Step 4: Simplify right side
    113,749.94x = 9,852,616,835.45
  5. Step 5: Solve for x
    x = 9,852,616,835.45/113,749.94
  6. Step 6: Final answer
    x = 86,616.46

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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.