Home / 104,426.10-144,108.29-56,679.45

Finding the Fourth Proportional to 104,426.10, 144,108.29 and 56,679.45

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Solution

The fourth proportional to 104,426.10, 144,108.29 and 56,679.45 is: 78,217.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,426.10 : 144,108.29 = 56,679.45 : x
  2. Step 2: Convert to fraction form
    104,426.10/144,108.29 = 56,679.45/x
  3. Step 3: Cross multiply
    104,426.10x = 144,108.29 × 56,679.45
  4. Step 4: Simplify right side
    104,426.10x = 8,167,977,897.10
  5. Step 5: Solve for x
    x = 8,167,977,897.10/104,426.10
  6. Step 6: Final answer
    x = 78,217.78

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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.