Home / 74,564.60-102,937.23-57,530.57

Finding the Fourth Proportional to 74,564.60, 102,937.23 and 57,530.57

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Solution

The fourth proportional to 74,564.60, 102,937.23 and 57,530.57 is: 79,421.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,564.60 : 102,937.23 = 57,530.57 : x
  2. Step 2: Convert to fraction form
    74,564.60/102,937.23 = 57,530.57/x
  3. Step 3: Cross multiply
    74,564.60x = 102,937.23 × 57,530.57
  4. Step 4: Simplify right side
    74,564.60x = 5,922,037,001.43
  5. Step 5: Solve for x
    x = 5,922,037,001.43/74,564.60
  6. Step 6: Final answer
    x = 79,421.57

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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.