Home / 112,614.59-155,464.43-64,858.74

Finding the Fourth Proportional to 112,614.59, 155,464.43 and 64,858.74

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Solution

The fourth proportional to 112,614.59, 155,464.43 and 64,858.74 is: 89,537.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,614.59 : 155,464.43 = 64,858.74 : x
  2. Step 2: Convert to fraction form
    112,614.59/155,464.43 = 64,858.74/x
  3. Step 3: Cross multiply
    112,614.59x = 155,464.43 × 64,858.74
  4. Step 4: Simplify right side
    112,614.59x = 10,083,227,044.62
  5. Step 5: Solve for x
    x = 10,083,227,044.62/112,614.59
  6. Step 6: Final answer
    x = 89,537.48

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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.