Home / 113,880.40-170,816.55-51,550.90

Finding the Fourth Proportional to 113,880.40, 170,816.55 and 51,550.90

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Solution

The fourth proportional to 113,880.40, 170,816.55 and 51,550.90 is: 77,324.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,880.40 : 170,816.55 = 51,550.90 : x
  2. Step 2: Convert to fraction form
    113,880.40/170,816.55 = 51,550.90/x
  3. Step 3: Cross multiply
    113,880.40x = 170,816.55 × 51,550.90
  4. Step 4: Simplify right side
    113,880.40x = 8,805,746,887.40
  5. Step 5: Solve for x
    x = 8,805,746,887.40/113,880.40
  6. Step 6: Final answer
    x = 77,324.52

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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.