Home / 115,830.96-159,833.24-64,846.48

Finding the Fourth Proportional to 115,830.96, 159,833.24 and 64,846.48

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Solution

The fourth proportional to 115,830.96, 159,833.24 and 64,846.48 is: 89,480.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,830.96 : 159,833.24 = 64,846.48 : x
  2. Step 2: Convert to fraction form
    115,830.96/159,833.24 = 64,846.48/x
  3. Step 3: Cross multiply
    115,830.96x = 159,833.24 × 64,846.48
  4. Step 4: Simplify right side
    115,830.96x = 10,364,623,001.00
  5. Step 5: Solve for x
    x = 10,364,623,001.00/115,830.96
  6. Step 6: Final answer
    x = 89,480.59

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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.