Home / 74,271.77-102,493.22-42,438.62

Finding the Fourth Proportional to 74,271.77, 102,493.22 and 42,438.62

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Solution

The fourth proportional to 74,271.77, 102,493.22 and 42,438.62 is: 58,564.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,271.77 : 102,493.22 = 42,438.62 : x
  2. Step 2: Convert to fraction form
    74,271.77/102,493.22 = 42,438.62/x
  3. Step 3: Cross multiply
    74,271.77x = 102,493.22 × 42,438.62
  4. Step 4: Simplify right side
    74,271.77x = 4,349,671,074.14
  5. Step 5: Solve for x
    x = 4,349,671,074.14/74,271.77
  6. Step 6: Final answer
    x = 58,564.26

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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.