Home / 103,666.95-155,493.03-40,475.24

Finding the Fourth Proportional to 103,666.95, 155,493.03 and 40,475.24

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Solution

The fourth proportional to 103,666.95, 155,493.03 and 40,475.24 is: 60,709.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,666.95 : 155,493.03 = 40,475.24 : x
  2. Step 2: Convert to fraction form
    103,666.95/155,493.03 = 40,475.24/x
  3. Step 3: Cross multiply
    103,666.95x = 155,493.03 × 40,475.24
  4. Step 4: Simplify right side
    103,666.95x = 6,293,617,707.58
  5. Step 5: Solve for x
    x = 6,293,617,707.58/103,666.95
  6. Step 6: Final answer
    x = 60,709.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.