Home / 64,959.26-89,705.69-61,421.32

Finding the Fourth Proportional to 64,959.26, 89,705.69 and 61,421.32

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Solution

The fourth proportional to 64,959.26, 89,705.69 and 61,421.32 is: 84,819.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,959.26 : 89,705.69 = 61,421.32 : x
  2. Step 2: Convert to fraction form
    64,959.26/89,705.69 = 61,421.32/x
  3. Step 3: Cross multiply
    64,959.26x = 89,705.69 × 61,421.32
  4. Step 4: Simplify right side
    64,959.26x = 5,509,841,584.20
  5. Step 5: Solve for x
    x = 5,509,841,584.20/64,959.26
  6. Step 6: Final answer
    x = 84,819.96

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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.