Home / 101,088.48-151,764.12-77,731.32

Finding the Fourth Proportional to 101,088.48, 151,764.12 and 77,731.32

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Solution

The fourth proportional to 101,088.48, 151,764.12 and 77,731.32 is: 116,698.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,088.48 : 151,764.12 = 77,731.32 : x
  2. Step 2: Convert to fraction form
    101,088.48/151,764.12 = 77,731.32/x
  3. Step 3: Cross multiply
    101,088.48x = 151,764.12 × 77,731.32
  4. Step 4: Simplify right side
    101,088.48x = 11,796,825,376.24
  5. Step 5: Solve for x
    x = 11,796,825,376.24/101,088.48
  6. Step 6: Final answer
    x = 116,698.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.