Home / 84,380.50-116,445.20-46,140.21

Finding the Fourth Proportional to 84,380.50, 116,445.20 and 46,140.21

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Solution

The fourth proportional to 84,380.50, 116,445.20 and 46,140.21 is: 63,673.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,380.50 : 116,445.20 = 46,140.21 : x
  2. Step 2: Convert to fraction form
    84,380.50/116,445.20 = 46,140.21/x
  3. Step 3: Cross multiply
    84,380.50x = 116,445.20 × 46,140.21
  4. Step 4: Simplify right side
    84,380.50x = 5,372,805,981.49
  5. Step 5: Solve for x
    x = 5,372,805,981.49/84,380.50
  6. Step 6: Final answer
    x = 63,673.55

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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.