Home / 88,639.80-133,037.46-49,241.40

Finding the Fourth Proportional to 88,639.80, 133,037.46 and 49,241.40

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Solution

The fourth proportional to 88,639.80, 133,037.46 and 49,241.40 is: 73,905.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,639.80 : 133,037.46 = 49,241.40 : x
  2. Step 2: Convert to fraction form
    88,639.80/133,037.46 = 49,241.40/x
  3. Step 3: Cross multiply
    88,639.80x = 133,037.46 × 49,241.40
  4. Step 4: Simplify right side
    88,639.80x = 6,550,950,782.84
  5. Step 5: Solve for x
    x = 6,550,950,782.84/88,639.80
  6. Step 6: Final answer
    x = 73,905.30

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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.