Home / 82,776.12-114,231.51-45,050.46

Finding the Fourth Proportional to 82,776.12, 114,231.51 and 45,050.46

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Solution

The fourth proportional to 82,776.12, 114,231.51 and 45,050.46 is: 62,169.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,776.12 : 114,231.51 = 45,050.46 : x
  2. Step 2: Convert to fraction form
    82,776.12/114,231.51 = 45,050.46/x
  3. Step 3: Cross multiply
    82,776.12x = 114,231.51 × 45,050.46
  4. Step 4: Simplify right side
    82,776.12x = 5,146,182,071.99
  5. Step 5: Solve for x
    x = 5,146,182,071.99/82,776.12
  6. Step 6: Final answer
    x = 62,169.89

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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.