Home / 75,084.60-103,616.76-46,790.40

Finding the Fourth Proportional to 75,084.60, 103,616.76 and 46,790.40

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Solution

The fourth proportional to 75,084.60, 103,616.76 and 46,790.40 is: 64,570.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,084.60 : 103,616.76 = 46,790.40 : x
  2. Step 2: Convert to fraction form
    75,084.60/103,616.76 = 46,790.40/x
  3. Step 3: Cross multiply
    75,084.60x = 103,616.76 × 46,790.40
  4. Step 4: Simplify right side
    75,084.60x = 4,848,269,647.10
  5. Step 5: Solve for x
    x = 4,848,269,647.10/75,084.60
  6. Step 6: Final answer
    x = 64,570.76

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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.