Home / 74,606.29-102,877.76-57,613.30

Finding the Fourth Proportional to 74,606.29, 102,877.76 and 57,613.30

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Solution

The fourth proportional to 74,606.29, 102,877.76 and 57,613.30 is: 79,445.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,606.29 : 102,877.76 = 57,613.30 : x
  2. Step 2: Convert to fraction form
    74,606.29/102,877.76 = 57,613.30/x
  3. Step 3: Cross multiply
    74,606.29x = 102,877.76 × 57,613.30
  4. Step 4: Simplify right side
    74,606.29x = 5,927,127,137.05
  5. Step 5: Solve for x
    x = 5,927,127,137.05/74,606.29
  6. Step 6: Final answer
    x = 79,445.41

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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.