Home / 115,057.94-158,774.85-64,073.30

Finding the Fourth Proportional to 115,057.94, 158,774.85 and 64,073.30

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Solution

The fourth proportional to 115,057.94, 158,774.85 and 64,073.30 is: 88,418.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,057.94 : 158,774.85 = 64,073.30 : x
  2. Step 2: Convert to fraction form
    115,057.94/158,774.85 = 64,073.30/x
  3. Step 3: Cross multiply
    115,057.94x = 158,774.85 × 64,073.30
  4. Step 4: Simplify right side
    115,057.94x = 10,173,228,596.51
  5. Step 5: Solve for x
    x = 10,173,228,596.51/115,057.94
  6. Step 6: Final answer
    x = 88,418.31

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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.