Home / 84,288.95-116,318.66-48,478.04

Finding the Fourth Proportional to 84,288.95, 116,318.66 and 48,478.04

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Solution

The fourth proportional to 84,288.95, 116,318.66 and 48,478.04 is: 66,899.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,288.95 : 116,318.66 = 48,478.04 : x
  2. Step 2: Convert to fraction form
    84,288.95/116,318.66 = 48,478.04/x
  3. Step 3: Cross multiply
    84,288.95x = 116,318.66 × 48,478.04
  4. Step 4: Simplify right side
    84,288.95x = 5,638,899,828.24
  5. Step 5: Solve for x
    x = 5,638,899,828.24/84,288.95
  6. Step 6: Final answer
    x = 66,899.64

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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.