Home / 104,956.13-144,837.30-57,209.06

Finding the Fourth Proportional to 104,956.13, 144,837.30 and 57,209.06

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Solution

The fourth proportional to 104,956.13, 144,837.30 and 57,209.06 is: 78,947.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,956.13 : 144,837.30 = 57,209.06 : x
  2. Step 2: Convert to fraction form
    104,956.13/144,837.30 = 57,209.06/x
  3. Step 3: Cross multiply
    104,956.13x = 144,837.30 × 57,209.06
  4. Step 4: Simplify right side
    104,956.13x = 8,286,005,061.75
  5. Step 5: Solve for x
    x = 8,286,005,061.75/104,956.13
  6. Step 6: Final answer
    x = 78,947.32

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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.