Home / 75,231.55-103,792.08-45,017.74

Finding the Fourth Proportional to 75,231.55, 103,792.08 and 45,017.74

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Solution

The fourth proportional to 75,231.55, 103,792.08 and 45,017.74 is: 62,108.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,231.55 : 103,792.08 = 45,017.74 : x
  2. Step 2: Convert to fraction form
    75,231.55/103,792.08 = 45,017.74/x
  3. Step 3: Cross multiply
    75,231.55x = 103,792.08 × 45,017.74
  4. Step 4: Simplify right side
    75,231.55x = 4,672,484,871.50
  5. Step 5: Solve for x
    x = 4,672,484,871.50/75,231.55
  6. Step 6: Final answer
    x = 62,108.05

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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.