Home / 104,729.66-144,527.56-56,983.36

Finding the Fourth Proportional to 104,729.66, 144,527.56 and 56,983.36

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Solution

The fourth proportional to 104,729.66, 144,527.56 and 56,983.36 is: 78,637.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,729.66 : 144,527.56 = 56,983.36 : x
  2. Step 2: Convert to fraction form
    104,729.66/144,527.56 = 56,983.36/x
  3. Step 3: Cross multiply
    104,729.66x = 144,527.56 × 56,983.36
  4. Step 4: Simplify right side
    104,729.66x = 8,235,665,981.40
  5. Step 5: Solve for x
    x = 8,235,665,981.40/104,729.66
  6. Step 6: Final answer
    x = 78,637.38

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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.