Home / 104,395.72-144,066.48-56,649.07

Finding the Fourth Proportional to 104,395.72, 144,066.48 and 56,649.07

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Solution

The fourth proportional to 104,395.72, 144,066.48 and 56,649.07 is: 78,175.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,395.72 : 144,066.48 = 56,649.07 : x
  2. Step 2: Convert to fraction form
    104,395.72/144,066.48 = 56,649.07/x
  3. Step 3: Cross multiply
    104,395.72x = 144,066.48 × 56,649.07
  4. Step 4: Simplify right side
    104,395.72x = 8,161,231,831.96
  5. Step 5: Solve for x
    x = 8,161,231,831.96/104,395.72
  6. Step 6: Final answer
    x = 78,175.92

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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.