Home / 55,935.36-83,877.12-20,849.76

Finding the Fourth Proportional to 55,935.36, 83,877.12 and 20,849.76

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Solution

The fourth proportional to 55,935.36, 83,877.12 and 20,849.76 is: 31,264.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,935.36 : 83,877.12 = 20,849.76 : x
  2. Step 2: Convert to fraction form
    55,935.36/83,877.12 = 20,849.76/x
  3. Step 3: Cross multiply
    55,935.36x = 83,877.12 × 20,849.76
  4. Step 4: Simplify right side
    55,935.36x = 1,748,817,821.49
  5. Step 5: Solve for x
    x = 1,748,817,821.49/55,935.36
  6. Step 6: Final answer
    x = 31,264.98

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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.