Home / 104,420.47-144,100.33-56,673.81

Finding the Fourth Proportional to 104,420.47, 144,100.33 and 56,673.81

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Solution

The fourth proportional to 104,420.47, 144,100.33 and 56,673.81 is: 78,209.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,420.47 : 144,100.33 = 56,673.81 : x
  2. Step 2: Convert to fraction form
    104,420.47/144,100.33 = 56,673.81/x
  3. Step 3: Cross multiply
    104,420.47x = 144,100.33 × 56,673.81
  4. Step 4: Simplify right side
    104,420.47x = 8,166,714,723.36
  5. Step 5: Solve for x
    x = 8,166,714,723.36/104,420.47
  6. Step 6: Final answer
    x = 78,209.90

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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.