Home / 115,776.17-173,662.35-36,889.32

Finding the Fourth Proportional to 115,776.17, 173,662.35 and 36,889.32

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Solution

The fourth proportional to 115,776.17, 173,662.35 and 36,889.32 is: 55,333.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,776.17 : 173,662.35 = 36,889.32 : x
  2. Step 2: Convert to fraction form
    115,776.17/173,662.35 = 36,889.32/x
  3. Step 3: Cross multiply
    115,776.17x = 173,662.35 × 36,889.32
  4. Step 4: Simplify right side
    115,776.17x = 6,406,286,001.10
  5. Step 5: Solve for x
    x = 6,406,286,001.10/115,776.17
  6. Step 6: Final answer
    x = 55,333.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.