Home / 104,554.05-144,285.20-56,807.38

Finding the Fourth Proportional to 104,554.05, 144,285.20 and 56,807.38

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Solution

The fourth proportional to 104,554.05, 144,285.20 and 56,807.38 is: 78,394.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,554.05 : 144,285.20 = 56,807.38 : x
  2. Step 2: Convert to fraction form
    104,554.05/144,285.20 = 56,807.38/x
  3. Step 3: Cross multiply
    104,554.05x = 144,285.20 × 56,807.38
  4. Step 4: Simplify right side
    104,554.05x = 8,196,464,184.78
  5. Step 5: Solve for x
    x = 8,196,464,184.78/104,554.05
  6. Step 6: Final answer
    x = 78,394.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.