Home / 104,603.72-144,354.10-56,857.18

Finding the Fourth Proportional to 104,603.72, 144,354.10 and 56,857.18

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Solution

The fourth proportional to 104,603.72, 144,354.10 and 56,857.18 is: 78,463.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,603.72 : 144,354.10 = 56,857.18 : x
  2. Step 2: Convert to fraction form
    104,603.72/144,354.10 = 56,857.18/x
  3. Step 3: Cross multiply
    104,603.72x = 144,354.10 × 56,857.18
  4. Step 4: Simplify right side
    104,603.72x = 8,207,567,047.44
  5. Step 5: Solve for x
    x = 8,207,567,047.44/104,603.72
  6. Step 6: Final answer
    x = 78,463.43

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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.