Home / 115,921.01-159,973.02-64,933.34

Finding the Fourth Proportional to 115,921.01, 159,973.02 and 64,933.34

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Solution

The fourth proportional to 115,921.01, 159,973.02 and 64,933.34 is: 89,609.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,921.01 : 159,973.02 = 64,933.34 : x
  2. Step 2: Convert to fraction form
    115,921.01/159,973.02 = 64,933.34/x
  3. Step 3: Cross multiply
    115,921.01x = 159,973.02 × 64,933.34
  4. Step 4: Simplify right side
    115,921.01x = 10,387,581,698.62
  5. Step 5: Solve for x
    x = 10,387,581,698.62/115,921.01
  6. Step 6: Final answer
    x = 89,609.14

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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.