Home / 82,887.13-114,384.23-45,161.38

Finding the Fourth Proportional to 82,887.13, 114,384.23 and 45,161.38

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Solution

The fourth proportional to 82,887.13, 114,384.23 and 45,161.38 is: 62,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,887.13 : 114,384.23 = 45,161.38 : x
  2. Step 2: Convert to fraction form
    82,887.13/114,384.23 = 45,161.38/x
  3. Step 3: Cross multiply
    82,887.13x = 114,384.23 × 45,161.38
  4. Step 4: Simplify right side
    82,887.13x = 5,165,749,218.02
  5. Step 5: Solve for x
    x = 5,165,749,218.02/82,887.13
  6. Step 6: Final answer
    x = 62,322.70

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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.