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Finding the Fourth Proportional to 83,745.95, 115,568.10 and 46,019.39

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Solution

The fourth proportional to 83,745.95, 115,568.10 and 46,019.39 is: 63,506.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,745.95 : 115,568.10 = 46,019.39 : x
  2. Step 2: Convert to fraction form
    83,745.95/115,568.10 = 46,019.39/x
  3. Step 3: Cross multiply
    83,745.95x = 115,568.10 × 46,019.39
  4. Step 4: Simplify right side
    83,745.95x = 5,318,373,465.46
  5. Step 5: Solve for x
    x = 5,318,373,465.46/83,745.95
  6. Step 6: Final answer
    x = 63,506.04

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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.