Home / 74,518.61-102,834.68-40,526.36

Finding the Fourth Proportional to 74,518.61, 102,834.68 and 40,526.36

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Solution

The fourth proportional to 74,518.61, 102,834.68 and 40,526.36 is: 55,925.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,518.61 : 102,834.68 = 40,526.36 : x
  2. Step 2: Convert to fraction form
    74,518.61/102,834.68 = 40,526.36/x
  3. Step 3: Cross multiply
    74,518.61x = 102,834.68 × 40,526.36
  4. Step 4: Simplify right side
    74,518.61x = 4,167,515,158.95
  5. Step 5: Solve for x
    x = 4,167,515,158.95/74,518.61
  6. Step 6: Final answer
    x = 55,925.83

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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.