Home / 77,659.14-107,098.52-57,566.06

Finding the Fourth Proportional to 77,659.14, 107,098.52 and 57,566.06

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Solution

The fourth proportional to 77,659.14, 107,098.52 and 57,566.06 is: 79,388.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,659.14 : 107,098.52 = 57,566.06 : x
  2. Step 2: Convert to fraction form
    77,659.14/107,098.52 = 57,566.06/x
  3. Step 3: Cross multiply
    77,659.14x = 107,098.52 × 57,566.06
  4. Step 4: Simplify right side
    77,659.14x = 6,165,239,828.23
  5. Step 5: Solve for x
    x = 6,165,239,828.23/77,659.14
  6. Step 6: Final answer
    x = 79,388.46

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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.