Home / 84,381.95-116,392.23-54,119.34

Finding the Fourth Proportional to 84,381.95, 116,392.23 and 54,119.34

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Solution

The fourth proportional to 84,381.95, 116,392.23 and 54,119.34 is: 74,649.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,381.95 : 116,392.23 = 54,119.34 : x
  2. Step 2: Convert to fraction form
    84,381.95/116,392.23 = 54,119.34/x
  3. Step 3: Cross multiply
    84,381.95x = 116,392.23 × 54,119.34
  4. Step 4: Simplify right side
    84,381.95x = 6,299,070,668.73
  5. Step 5: Solve for x
    x = 6,299,070,668.73/84,381.95
  6. Step 6: Final answer
    x = 74,649.50

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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.