Home / 104,349.48-144,001.20-56,601.81

Finding the Fourth Proportional to 104,349.48, 144,001.20 and 56,601.81

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Solution

The fourth proportional to 104,349.48, 144,001.20 and 56,601.81 is: 78,109.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,349.48 : 144,001.20 = 56,601.81 : x
  2. Step 2: Convert to fraction form
    104,349.48/144,001.20 = 56,601.81/x
  3. Step 3: Cross multiply
    104,349.48x = 144,001.20 × 56,601.81
  4. Step 4: Simplify right side
    104,349.48x = 8,150,728,562.17
  5. Step 5: Solve for x
    x = 8,150,728,562.17/104,349.48
  6. Step 6: Final answer
    x = 78,109.91

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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.