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Finding the Fourth Proportional to 84,863.85, 117,113.97 and 46,623.89

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Solution

The fourth proportional to 84,863.85, 117,113.97 and 46,623.89 is: 64,341.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,863.85 : 117,113.97 = 46,623.89 : x
  2. Step 2: Convert to fraction form
    84,863.85/117,113.97 = 46,623.89/x
  3. Step 3: Cross multiply
    84,863.85x = 117,113.97 × 46,623.89
  4. Step 4: Simplify right side
    84,863.85x = 5,460,308,854.74
  5. Step 5: Solve for x
    x = 5,460,308,854.74/84,863.85
  6. Step 6: Final answer
    x = 64,341.99

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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.