Home / 84,720.64-116,928.50-47,007.04

Finding the Fourth Proportional to 84,720.64, 116,928.50 and 47,007.04

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Solution

The fourth proportional to 84,720.64, 116,928.50 and 47,007.04 is: 64,877.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,720.64 : 116,928.50 = 47,007.04 : x
  2. Step 2: Convert to fraction form
    84,720.64/116,928.50 = 47,007.04/x
  3. Step 3: Cross multiply
    84,720.64x = 116,928.50 × 47,007.04
  4. Step 4: Simplify right side
    84,720.64x = 5,496,462,676.64
  5. Step 5: Solve for x
    x = 5,496,462,676.64/84,720.64
  6. Step 6: Final answer
    x = 64,877.49

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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.