Home / 104,532.48-144,256.05-56,786.58

Finding the Fourth Proportional to 104,532.48, 144,256.05 and 56,786.58

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Solution

The fourth proportional to 104,532.48, 144,256.05 and 56,786.58 is: 78,366.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,532.48 : 144,256.05 = 56,786.58 : x
  2. Step 2: Convert to fraction form
    104,532.48/144,256.05 = 56,786.58/x
  3. Step 3: Cross multiply
    104,532.48x = 144,256.05 × 56,786.58
  4. Step 4: Simplify right side
    104,532.48x = 8,191,807,723.81
  5. Step 5: Solve for x
    x = 8,191,807,723.81/104,532.48
  6. Step 6: Final answer
    x = 78,366.15

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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.