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Finding the Fourth Proportional to 83,834.80, 115,692.50 and 45,594.80

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Solution

The fourth proportional to 83,834.80, 115,692.50 and 45,594.80 is: 62,921.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,834.80 : 115,692.50 = 45,594.80 : x
  2. Step 2: Convert to fraction form
    83,834.80/115,692.50 = 45,594.80/x
  3. Step 3: Cross multiply
    83,834.80x = 115,692.50 × 45,594.80
  4. Step 4: Simplify right side
    83,834.80x = 5,274,976,368.37
  5. Step 5: Solve for x
    x = 5,274,976,368.37/83,834.80
  6. Step 6: Final answer
    x = 62,921.08

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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.