Home / 115,524.07-159,407.48-64,530.32

Finding the Fourth Proportional to 115,524.07, 159,407.48 and 64,530.32

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Solution

The fourth proportional to 115,524.07, 159,407.48 and 64,530.32 is: 89,043.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,524.07 : 159,407.48 = 64,530.32 : x
  2. Step 2: Convert to fraction form
    115,524.07/159,407.48 = 64,530.32/x
  3. Step 3: Cross multiply
    115,524.07x = 159,407.48 × 64,530.32
  4. Step 4: Simplify right side
    115,524.07x = 10,286,615,059.08
  5. Step 5: Solve for x
    x = 10,286,615,059.08/115,524.07
  6. Step 6: Final answer
    x = 89,043.05

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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.