Home / 117,764.07-162,509.74-64,049.06

Finding the Fourth Proportional to 117,764.07, 162,509.74 and 64,049.06

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Solution

The fourth proportional to 117,764.07, 162,509.74 and 64,049.06 is: 88,385.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,764.07 : 162,509.74 = 64,049.06 : x
  2. Step 2: Convert to fraction form
    117,764.07/162,509.74 = 64,049.06/x
  3. Step 3: Cross multiply
    117,764.07x = 162,509.74 × 64,049.06
  4. Step 4: Simplify right side
    117,764.07x = 10,408,596,087.84
  5. Step 5: Solve for x
    x = 10,408,596,087.84/117,764.07
  6. Step 6: Final answer
    x = 88,385.16

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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.