Home / 45,785.40-63,174.51-25,639.08

Finding the Fourth Proportional to 45,785.40, 63,174.51 and 25,639.08

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Solution

The fourth proportional to 45,785.40, 63,174.51 and 25,639.08 is: 35,376.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,785.40 : 63,174.51 = 25,639.08 : x
  2. Step 2: Convert to fraction form
    45,785.40/63,174.51 = 25,639.08/x
  3. Step 3: Cross multiply
    45,785.40x = 63,174.51 × 25,639.08
  4. Step 4: Simplify right side
    45,785.40x = 1,619,736,315.85
  5. Step 5: Solve for x
    x = 1,619,736,315.85/45,785.40
  6. Step 6: Final answer
    x = 35,376.70

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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.