Home / 104,564.32-144,298.47-56,817.66

Finding the Fourth Proportional to 104,564.32, 144,298.47 and 56,817.66

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Solution

The fourth proportional to 104,564.32, 144,298.47 and 56,817.66 is: 78,408.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,564.32 : 144,298.47 = 56,817.66 : x
  2. Step 2: Convert to fraction form
    104,564.32/144,298.47 = 56,817.66/x
  3. Step 3: Cross multiply
    104,564.32x = 144,298.47 × 56,817.66
  4. Step 4: Simplify right side
    104,564.32x = 8,198,702,161.17
  5. Step 5: Solve for x
    x = 8,198,702,161.17/104,564.32
  6. Step 6: Final answer
    x = 78,408.22

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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.