Home / 58,905.60-88,358.40-54,628.80

Finding the Fourth Proportional to 58,905.60, 88,358.40 and 54,628.80

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Solution

The fourth proportional to 58,905.60, 88,358.40 and 54,628.80 is: 81,943.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,905.60 : 88,358.40 = 54,628.80 : x
  2. Step 2: Convert to fraction form
    58,905.60/88,358.40 = 54,628.80/x
  3. Step 3: Cross multiply
    58,905.60x = 88,358.40 × 54,628.80
  4. Step 4: Simplify right side
    58,905.60x = 4,826,913,361.92
  5. Step 5: Solve for x
    x = 4,826,913,361.92/58,905.60
  6. Step 6: Final answer
    x = 81,943.20

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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.