Home / 102,557.04-141,528.64-57,845.04

Finding the Fourth Proportional to 102,557.04, 141,528.64 and 57,845.04

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Solution

The fourth proportional to 102,557.04, 141,528.64 and 57,845.04 is: 79,826.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,557.04 : 141,528.64 = 57,845.04 : x
  2. Step 2: Convert to fraction form
    102,557.04/141,528.64 = 57,845.04/x
  3. Step 3: Cross multiply
    102,557.04x = 141,528.64 × 57,845.04
  4. Step 4: Simplify right side
    102,557.04x = 8,186,729,841.95
  5. Step 5: Solve for x
    x = 8,186,729,841.95/102,557.04
  6. Step 6: Final answer
    x = 79,826.11

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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.