Home / 112,630.56-155,430.36-62,329.56

Finding the Fourth Proportional to 112,630.56, 155,430.36 and 62,329.56

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Solution

The fourth proportional to 112,630.56, 155,430.36 and 62,329.56 is: 86,014.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,630.56 : 155,430.36 = 62,329.56 : x
  2. Step 2: Convert to fraction form
    112,630.56/155,430.36 = 62,329.56/x
  3. Step 3: Cross multiply
    112,630.56x = 155,430.36 × 62,329.56
  4. Step 4: Simplify right side
    112,630.56x = 9,687,905,949.44
  5. Step 5: Solve for x
    x = 9,687,905,949.44/112,630.56
  6. Step 6: Final answer
    x = 86,014.90

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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.