Home / 89,037.60-133,506.48-60,989.32

Finding the Fourth Proportional to 89,037.60, 133,506.48 and 60,989.32

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Solution

The fourth proportional to 89,037.60, 133,506.48 and 60,989.32 is: 91,449.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,037.60 : 133,506.48 = 60,989.32 : x
  2. Step 2: Convert to fraction form
    89,037.60/133,506.48 = 60,989.32/x
  3. Step 3: Cross multiply
    89,037.60x = 133,506.48 × 60,989.32
  4. Step 4: Simplify right side
    89,037.60x = 8,142,469,430.79
  5. Step 5: Solve for x
    x = 8,142,469,430.79/89,037.60
  6. Step 6: Final answer
    x = 91,449.79

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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.