Home / 117,765.35-162,516.93-64,050.75

Finding the Fourth Proportional to 117,765.35, 162,516.93 and 64,050.75

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Solution

The fourth proportional to 117,765.35, 162,516.93 and 64,050.75 is: 88,390.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,765.35 : 162,516.93 = 64,050.75 : x
  2. Step 2: Convert to fraction form
    117,765.35/162,516.93 = 64,050.75/x
  3. Step 3: Cross multiply
    117,765.35x = 162,516.93 × 64,050.75
  4. Step 4: Simplify right side
    117,765.35x = 10,409,331,254.20
  5. Step 5: Solve for x
    x = 10,409,331,254.20/117,765.35
  6. Step 6: Final answer
    x = 88,390.44

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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.