Home / 87,977.40-132,022.80-48,562.80

Finding the Fourth Proportional to 87,977.40, 132,022.80 and 48,562.80

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Solution

The fourth proportional to 87,977.40, 132,022.80 and 48,562.80 is: 72,875.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,977.40 : 132,022.80 = 48,562.80 : x
  2. Step 2: Convert to fraction form
    87,977.40/132,022.80 = 48,562.80/x
  3. Step 3: Cross multiply
    87,977.40x = 132,022.80 × 48,562.80
  4. Step 4: Simplify right side
    87,977.40x = 6,411,396,831.84
  5. Step 5: Solve for x
    x = 6,411,396,831.84/87,977.40
  6. Step 6: Final answer
    x = 72,875.50

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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.