Home / 75,489.90-104,160.51-45,267.18

Finding the Fourth Proportional to 75,489.90, 104,160.51 and 45,267.18

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Solution

The fourth proportional to 75,489.90, 104,160.51 and 45,267.18 is: 62,459.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,489.90 : 104,160.51 = 45,267.18 : x
  2. Step 2: Convert to fraction form
    75,489.90/104,160.51 = 45,267.18/x
  3. Step 3: Cross multiply
    75,489.90x = 104,160.51 × 45,267.18
  4. Step 4: Simplify right side
    75,489.90x = 4,715,052,555.06
  5. Step 5: Solve for x
    x = 4,715,052,555.06/75,489.90
  6. Step 6: Final answer
    x = 62,459.38

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1.5x scale

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.