Home / 55,419.02-83,127.96-13,866.02

Finding the Fourth Proportional to 55,419.02, 83,127.96 and 13,866.02

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Solution

The fourth proportional to 55,419.02, 83,127.96 and 13,866.02 is: 20,798.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,419.02 : 83,127.96 = 13,866.02 : x
  2. Step 2: Convert to fraction form
    55,419.02/83,127.96 = 13,866.02/x
  3. Step 3: Cross multiply
    55,419.02x = 83,127.96 × 13,866.02
  4. Step 4: Simplify right side
    55,419.02x = 1,152,653,955.92
  5. Step 5: Solve for x
    x = 1,152,653,955.92/55,419.02
  6. Step 6: Final answer
    x = 20,798.89

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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.