Home / 84,429.71-126,519.24-46,938.21

Finding the Fourth Proportional to 84,429.71, 126,519.24 and 46,938.21

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Solution

The fourth proportional to 84,429.71, 126,519.24 and 46,938.21 is: 70,337.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,429.71 : 126,519.24 = 46,938.21 : x
  2. Step 2: Convert to fraction form
    84,429.71/126,519.24 = 46,938.21/x
  3. Step 3: Cross multiply
    84,429.71x = 126,519.24 × 46,938.21
  4. Step 4: Simplify right side
    84,429.71x = 5,938,586,656.16
  5. Step 5: Solve for x
    x = 5,938,586,656.16/84,429.71
  6. Step 6: Final answer
    x = 70,337.64

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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.