Home / 115,055.34-158,776.29-64,755.42

Finding the Fourth Proportional to 115,055.34, 158,776.29 and 64,755.42

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Solution

The fourth proportional to 115,055.34, 158,776.29 and 64,755.42 is: 89,362.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,055.34 : 158,776.29 = 64,755.42 : x
  2. Step 2: Convert to fraction form
    115,055.34/158,776.29 = 64,755.42/x
  3. Step 3: Cross multiply
    115,055.34x = 158,776.29 × 64,755.42
  4. Step 4: Simplify right side
    115,055.34x = 10,281,625,344.99
  5. Step 5: Solve for x
    x = 10,281,625,344.99/115,055.34
  6. Step 6: Final answer
    x = 89,362.44

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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.