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Finding the Fourth Proportional to 83,745.59, 115,566.63 and 46,019.84

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Solution

The fourth proportional to 83,745.59, 115,566.63 and 46,019.84 is: 63,506.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,745.59 : 115,566.63 = 46,019.84 : x
  2. Step 2: Convert to fraction form
    83,745.59/115,566.63 = 46,019.84/x
  3. Step 3: Cross multiply
    83,745.59x = 115,566.63 × 46,019.84
  4. Step 4: Simplify right side
    83,745.59x = 5,318,357,821.94
  5. Step 5: Solve for x
    x = 5,318,357,821.94/83,745.59
  6. Step 6: Final answer
    x = 63,506.12

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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.