Home / 115,322.85-172,983.23-36,437.07

Finding the Fourth Proportional to 115,322.85, 172,983.23 and 36,437.07

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Solution

The fourth proportional to 115,322.85, 172,983.23 and 36,437.07 is: 54,655.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,322.85 : 172,983.23 = 36,437.07 : x
  2. Step 2: Convert to fraction form
    115,322.85/172,983.23 = 36,437.07/x
  3. Step 3: Cross multiply
    115,322.85x = 172,983.23 × 36,437.07
  4. Step 4: Simplify right side
    115,322.85x = 6,303,001,878.15
  5. Step 5: Solve for x
    x = 6,303,001,878.15/115,322.85
  6. Step 6: Final answer
    x = 54,655.27

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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.