Home / 84,400.59-116,417.94-54,137.99

Finding the Fourth Proportional to 84,400.59, 116,417.94 and 54,137.99

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Solution

The fourth proportional to 84,400.59, 116,417.94 and 54,137.99 is: 74,675.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,400.59 : 116,417.94 = 54,137.99 : x
  2. Step 2: Convert to fraction form
    84,400.59/116,417.94 = 54,137.99/x
  3. Step 3: Cross multiply
    84,400.59x = 116,417.94 × 54,137.99
  4. Step 4: Simplify right side
    84,400.59x = 6,302,632,689.45
  5. Step 5: Solve for x
    x = 6,302,632,689.45/84,400.59
  6. Step 6: Final answer
    x = 74,675.22

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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.