Home / 55,977.80-83,966.70-48,687.80

Finding the Fourth Proportional to 55,977.80, 83,966.70 and 48,687.80

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Solution

The fourth proportional to 55,977.80, 83,966.70 and 48,687.80 is: 73,031.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,977.80 : 83,966.70 = 48,687.80 : x
  2. Step 2: Convert to fraction form
    55,977.80/83,966.70 = 48,687.80/x
  3. Step 3: Cross multiply
    55,977.80x = 83,966.70 × 48,687.80
  4. Step 4: Simplify right side
    55,977.80x = 4,088,153,896.26
  5. Step 5: Solve for x
    x = 4,088,153,896.26/55,977.80
  6. Step 6: Final answer
    x = 73,031.70

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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.