Home / 74,518.70-102,834.81-40,526.46

Finding the Fourth Proportional to 74,518.70, 102,834.81 and 40,526.46

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Solution

The fourth proportional to 74,518.70, 102,834.81 and 40,526.46 is: 55,925.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,518.70 : 102,834.81 = 40,526.46 : x
  2. Step 2: Convert to fraction form
    74,518.70/102,834.81 = 40,526.46/x
  3. Step 3: Cross multiply
    74,518.70x = 102,834.81 × 40,526.46
  4. Step 4: Simplify right side
    74,518.70x = 4,167,530,814.07
  5. Step 5: Solve for x
    x = 4,167,530,814.07/74,518.70
  6. Step 6: Final answer
    x = 55,925.98

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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.