Home / 82,985.40-114,519.92-45,259.65

Finding the Fourth Proportional to 82,985.40, 114,519.92 and 45,259.65

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Solution

The fourth proportional to 82,985.40, 114,519.92 and 45,259.65 is: 62,458.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,985.40 : 114,519.92 = 45,259.65 : x
  2. Step 2: Convert to fraction form
    82,985.40/114,519.92 = 45,259.65/x
  3. Step 3: Cross multiply
    82,985.40x = 114,519.92 × 45,259.65
  4. Step 4: Simplify right side
    82,985.40x = 5,183,131,270.93
  5. Step 5: Solve for x
    x = 5,183,131,270.93/82,985.40
  6. Step 6: Final answer
    x = 62,458.35

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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.