Home / 115,058.34-158,778.63-64,757.34

Finding the Fourth Proportional to 115,058.34, 158,778.63 and 64,757.34

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Solution

The fourth proportional to 115,058.34, 158,778.63 and 64,757.34 is: 89,364.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,058.34 : 158,778.63 = 64,757.34 : x
  2. Step 2: Convert to fraction form
    115,058.34/158,778.63 = 64,757.34/x
  3. Step 3: Cross multiply
    115,058.34x = 158,778.63 × 64,757.34
  4. Step 4: Simplify right side
    115,058.34x = 10,282,081,727.64
  5. Step 5: Solve for x
    x = 10,282,081,727.64/115,058.34
  6. Step 6: Final answer
    x = 89,364.07

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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.