Home / 112,544.43-155,324.70-64,807.08

Finding the Fourth Proportional to 112,544.43, 155,324.70 and 64,807.08

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Solution

The fourth proportional to 112,544.43, 155,324.70 and 64,807.08 is: 89,441.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,544.43 : 155,324.70 = 64,807.08 : x
  2. Step 2: Convert to fraction form
    112,544.43/155,324.70 = 64,807.08/x
  3. Step 3: Cross multiply
    112,544.43x = 155,324.70 × 64,807.08
  4. Step 4: Simplify right side
    112,544.43x = 10,066,140,258.88
  5. Step 5: Solve for x
    x = 10,066,140,258.88/112,544.43
  6. Step 6: Final answer
    x = 89,441.48

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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.