Home / 77,619.20-116,594.64-55,574.24

Finding the Fourth Proportional to 77,619.20, 116,594.64 and 55,574.24

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Solution

The fourth proportional to 77,619.20, 116,594.64 and 55,574.24 is: 83,480.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,619.20 : 116,594.64 = 55,574.24 : x
  2. Step 2: Convert to fraction form
    77,619.20/116,594.64 = 55,574.24/x
  3. Step 3: Cross multiply
    77,619.20x = 116,594.64 × 55,574.24
  4. Step 4: Simplify right side
    77,619.20x = 6,479,657,923.10
  5. Step 5: Solve for x
    x = 6,479,657,923.10/77,619.20
  6. Step 6: Final answer
    x = 83,480.10

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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.