Home / 74,606.67-102,956.87-42,341.60

Finding the Fourth Proportional to 74,606.67, 102,956.87 and 42,341.60

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Solution

The fourth proportional to 74,606.67, 102,956.87 and 42,341.60 is: 58,431.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,606.67 : 102,956.87 = 42,341.60 : x
  2. Step 2: Convert to fraction form
    74,606.67/102,956.87 = 42,341.60/x
  3. Step 3: Cross multiply
    74,606.67x = 102,956.87 × 42,341.60
  4. Step 4: Simplify right side
    74,606.67x = 4,359,358,970.04
  5. Step 5: Solve for x
    x = 4,359,358,970.04/74,606.67
  6. Step 6: Final answer
    x = 58,431.22

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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.