Home / 82,860.12-114,347.16-45,133.56

Finding the Fourth Proportional to 82,860.12, 114,347.16 and 45,133.56

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Solution

The fourth proportional to 82,860.12, 114,347.16 and 45,133.56 is: 62,284.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,860.12 : 114,347.16 = 45,133.56 : x
  2. Step 2: Convert to fraction form
    82,860.12/114,347.16 = 45,133.56/x
  3. Step 3: Cross multiply
    82,860.12x = 114,347.16 × 45,133.56
  4. Step 4: Simplify right side
    82,860.12x = 5,160,894,406.69
  5. Step 5: Solve for x
    x = 5,160,894,406.69/82,860.12
  6. Step 6: Final answer
    x = 62,284.42

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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.