Home / 55,567.02-83,359.18-18,118.40

Finding the Fourth Proportional to 55,567.02, 83,359.18 and 18,118.40

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Solution

The fourth proportional to 55,567.02, 83,359.18 and 18,118.40 is: 27,180.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,567.02 : 83,359.18 = 18,118.40 : x
  2. Step 2: Convert to fraction form
    55,567.02/83,359.18 = 18,118.40/x
  3. Step 3: Cross multiply
    55,567.02x = 83,359.18 × 18,118.40
  4. Step 4: Simplify right side
    55,567.02x = 1,510,334,966.91
  5. Step 5: Solve for x
    x = 1,510,334,966.91/55,567.02
  6. Step 6: Final answer
    x = 27,180.42

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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.