Home / 55,988.30-83,982.45-53,266.70

Finding the Fourth Proportional to 55,988.30, 83,982.45 and 53,266.70

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Solution

The fourth proportional to 55,988.30, 83,982.45 and 53,266.70 is: 79,900.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,988.30 : 83,982.45 = 53,266.70 : x
  2. Step 2: Convert to fraction form
    55,988.30/83,982.45 = 53,266.70/x
  3. Step 3: Cross multiply
    55,988.30x = 83,982.45 × 53,266.70
  4. Step 4: Simplify right side
    55,988.30x = 4,473,467,969.42
  5. Step 5: Solve for x
    x = 4,473,467,969.42/55,988.30
  6. Step 6: Final answer
    x = 79,900.05

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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.