Home / 104,426.39-144,108.54-56,679.75

Finding the Fourth Proportional to 104,426.39, 144,108.54 and 56,679.75

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Solution

The fourth proportional to 104,426.39, 144,108.54 and 56,679.75 is: 78,218.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,426.39 : 144,108.54 = 56,679.75 : x
  2. Step 2: Convert to fraction form
    104,426.39/144,108.54 = 56,679.75/x
  3. Step 3: Cross multiply
    104,426.39x = 144,108.54 × 56,679.75
  4. Step 4: Simplify right side
    104,426.39x = 8,168,036,020.07
  5. Step 5: Solve for x
    x = 8,168,036,020.07/104,426.39
  6. Step 6: Final answer
    x = 78,218.12

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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.