Home / 63,429.39-87,449.58-54,572.04

Finding the Fourth Proportional to 63,429.39, 87,449.58 and 54,572.04

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Solution

The fourth proportional to 63,429.39, 87,449.58 and 54,572.04 is: 75,238.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,429.39 : 87,449.58 = 54,572.04 : x
  2. Step 2: Convert to fraction form
    63,429.39/87,449.58 = 54,572.04/x
  3. Step 3: Cross multiply
    63,429.39x = 87,449.58 × 54,572.04
  4. Step 4: Simplify right side
    63,429.39x = 4,772,301,977.74
  5. Step 5: Solve for x
    x = 4,772,301,977.74/63,429.39
  6. Step 6: Final answer
    x = 75,238.02

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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.