Home / 77,744.40-116,530.20-33,363.60

Finding the Fourth Proportional to 77,744.40, 116,530.20 and 33,363.60

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Solution

The fourth proportional to 77,744.40, 116,530.20 and 33,363.60 is: 50,008.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,744.40 : 116,530.20 = 33,363.60 : x
  2. Step 2: Convert to fraction form
    77,744.40/116,530.20 = 33,363.60/x
  3. Step 3: Cross multiply
    77,744.40x = 116,530.20 × 33,363.60
  4. Step 4: Simplify right side
    77,744.40x = 3,887,866,980.72
  5. Step 5: Solve for x
    x = 3,887,866,980.72/77,744.40
  6. Step 6: Final answer
    x = 50,008.32

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1.5x scale

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.