Home / 54,712.60-81,953.70-48,875.80

Finding the Fourth Proportional to 54,712.60, 81,953.70 and 48,875.80

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Solution

The fourth proportional to 54,712.60, 81,953.70 and 48,875.80 is: 73,210.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,712.60 : 81,953.70 = 48,875.80 : x
  2. Step 2: Convert to fraction form
    54,712.60/81,953.70 = 48,875.80/x
  3. Step 3: Cross multiply
    54,712.60x = 81,953.70 × 48,875.80
  4. Step 4: Simplify right side
    54,712.60x = 4,005,552,650.46
  5. Step 5: Solve for x
    x = 4,005,552,650.46/54,712.60
  6. Step 6: Final answer
    x = 73,210.79

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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.