Home / 95,141.71-131,349.36-64,970.83

Finding the Fourth Proportional to 95,141.71, 131,349.36 and 64,970.83

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Solution

The fourth proportional to 95,141.71, 131,349.36 and 64,970.83 is: 89,696.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,141.71 : 131,349.36 = 64,970.83 : x
  2. Step 2: Convert to fraction form
    95,141.71/131,349.36 = 64,970.83/x
  3. Step 3: Cross multiply
    95,141.71x = 131,349.36 × 64,970.83
  4. Step 4: Simplify right side
    95,141.71x = 8,533,876,939.17
  5. Step 5: Solve for x
    x = 8,533,876,939.17/95,141.71
  6. Step 6: Final answer
    x = 89,696.48

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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.