Home / 94,180.32-129,969.12-51,739.68

Finding the Fourth Proportional to 94,180.32, 129,969.12 and 51,739.68

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Solution

The fourth proportional to 94,180.32, 129,969.12 and 51,739.68 is: 71,400.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,180.32 : 129,969.12 = 51,739.68 : x
  2. Step 2: Convert to fraction form
    94,180.32/129,969.12 = 51,739.68/x
  3. Step 3: Cross multiply
    94,180.32x = 129,969.12 × 51,739.68
  4. Step 4: Simplify right side
    94,180.32x = 6,724,560,678.68
  5. Step 5: Solve for x
    x = 6,724,560,678.68/94,180.32
  6. Step 6: Final answer
    x = 71,400.91

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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.