Home / 104,434.07-144,119.18-56,687.47

Finding the Fourth Proportional to 104,434.07, 144,119.18 and 56,687.47

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Solution

The fourth proportional to 104,434.07, 144,119.18 and 56,687.47 is: 78,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,434.07 : 144,119.18 = 56,687.47 : x
  2. Step 2: Convert to fraction form
    104,434.07/144,119.18 = 56,687.47/x
  3. Step 3: Cross multiply
    104,434.07x = 144,119.18 × 56,687.47
  4. Step 4: Simplify right side
    104,434.07x = 8,169,751,474.10
  5. Step 5: Solve for x
    x = 8,169,751,474.10/104,434.07
  6. Step 6: Final answer
    x = 78,228.80

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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.