Home / 74,633.09-102,884.86-56,696.95

Finding the Fourth Proportional to 74,633.09, 102,884.86 and 56,696.95

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Solution

The fourth proportional to 74,633.09, 102,884.86 and 56,696.95 is: 78,159.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,633.09 : 102,884.86 = 56,696.95 : x
  2. Step 2: Convert to fraction form
    74,633.09/102,884.86 = 56,696.95/x
  3. Step 3: Cross multiply
    74,633.09x = 102,884.86 × 56,696.95
  4. Step 4: Simplify right side
    74,633.09x = 5,833,257,763.18
  5. Step 5: Solve for x
    x = 5,833,257,763.18/74,633.09
  6. Step 6: Final answer
    x = 78,159.14

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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.