Home / 71,656.83-98,930.70-46,172.21

Finding the Fourth Proportional to 71,656.83, 98,930.70 and 46,172.21

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Solution

The fourth proportional to 71,656.83, 98,930.70 and 46,172.21 is: 63,746.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,656.83 : 98,930.70 = 46,172.21 : x
  2. Step 2: Convert to fraction form
    71,656.83/98,930.70 = 46,172.21/x
  3. Step 3: Cross multiply
    71,656.83x = 98,930.70 × 46,172.21
  4. Step 4: Simplify right side
    71,656.83x = 4,567,848,561.19
  5. Step 5: Solve for x
    x = 4,567,848,561.19/71,656.83
  6. Step 6: Final answer
    x = 63,746.17

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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.