Home / 62,429.20-93,643.80-18,057.40

Finding the Fourth Proportional to 62,429.20, 93,643.80 and 18,057.40

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Solution

The fourth proportional to 62,429.20, 93,643.80 and 18,057.40 is: 27,086.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,429.20 : 93,643.80 = 18,057.40 : x
  2. Step 2: Convert to fraction form
    62,429.20/93,643.80 = 18,057.40/x
  3. Step 3: Cross multiply
    62,429.20x = 93,643.80 × 18,057.40
  4. Step 4: Simplify right side
    62,429.20x = 1,690,963,554.12
  5. Step 5: Solve for x
    x = 1,690,963,554.12/62,429.20
  6. Step 6: Final answer
    x = 27,086.10

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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.