Home / 74,461.20-102,733.28-42,624.16

Finding the Fourth Proportional to 74,461.20, 102,733.28 and 42,624.16

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Solution

The fourth proportional to 74,461.20, 102,733.28 and 42,624.16 is: 58,808.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,461.20 : 102,733.28 = 42,624.16 : x
  2. Step 2: Convert to fraction form
    74,461.20/102,733.28 = 42,624.16/x
  3. Step 3: Cross multiply
    74,461.20x = 102,733.28 × 42,624.16
  4. Step 4: Simplify right side
    74,461.20x = 4,378,919,764.04
  5. Step 5: Solve for x
    x = 4,378,919,764.04/74,461.20
  6. Step 6: Final answer
    x = 58,808.07

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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.