Home / 84,779.28-117,000.72-47,054.16

Finding the Fourth Proportional to 84,779.28, 117,000.72 and 47,054.16

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Solution

The fourth proportional to 84,779.28, 117,000.72 and 47,054.16 is: 64,937.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,779.28 : 117,000.72 = 47,054.16 : x
  2. Step 2: Convert to fraction form
    84,779.28/117,000.72 = 47,054.16/x
  3. Step 3: Cross multiply
    84,779.28x = 117,000.72 × 47,054.16
  4. Step 4: Simplify right side
    84,779.28x = 5,505,370,599.00
  5. Step 5: Solve for x
    x = 5,505,370,599.00/84,779.28
  6. Step 6: Final answer
    x = 64,937.69

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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.