Home / 84,478.10-116,551.28-48,667.18

Finding the Fourth Proportional to 84,478.10, 116,551.28 and 48,667.18

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Solution

The fourth proportional to 84,478.10, 116,551.28 and 48,667.18 is: 67,144.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,478.10 : 116,551.28 = 48,667.18 : x
  2. Step 2: Convert to fraction form
    84,478.10/116,551.28 = 48,667.18/x
  3. Step 3: Cross multiply
    84,478.10x = 116,551.28 × 48,667.18
  4. Step 4: Simplify right side
    84,478.10x = 5,672,222,122.99
  5. Step 5: Solve for x
    x = 5,672,222,122.99/84,478.10
  6. Step 6: Final answer
    x = 67,144.29

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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.