Home / 95,140.95-131,141.49-64,504.12

Finding the Fourth Proportional to 95,140.95, 131,141.49 and 64,504.12

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Solution

The fourth proportional to 95,140.95, 131,141.49 and 64,504.12 is: 88,911.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,140.95 : 131,141.49 = 64,504.12 : x
  2. Step 2: Convert to fraction form
    95,140.95/131,141.49 = 64,504.12/x
  3. Step 3: Cross multiply
    95,140.95x = 131,141.49 × 64,504.12
  4. Step 4: Simplify right side
    95,140.95x = 8,459,165,752.23
  5. Step 5: Solve for x
    x = 8,459,165,752.23/95,140.95
  6. Step 6: Final answer
    x = 88,911.93

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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.