Home / 104,425.89-144,108.00-56,679.24

Finding the Fourth Proportional to 104,425.89, 144,108.00 and 56,679.24

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Solution

The fourth proportional to 104,425.89, 144,108.00 and 56,679.24 is: 78,217.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,425.89 : 144,108.00 = 56,679.24 : x
  2. Step 2: Convert to fraction form
    104,425.89/144,108.00 = 56,679.24/x
  3. Step 3: Cross multiply
    104,425.89x = 144,108.00 × 56,679.24
  4. Step 4: Simplify right side
    104,425.89x = 8,167,931,401.82
  5. Step 5: Solve for x
    x = 8,167,931,401.82/104,425.89
  6. Step 6: Final answer
    x = 78,217.50

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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.