Home / 63,430.39-87,450.96-54,573.04

Finding the Fourth Proportional to 63,430.39, 87,450.96 and 54,573.04

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Solution

The fourth proportional to 63,430.39, 87,450.96 and 54,573.04 is: 75,239.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,430.39 : 87,450.96 = 54,573.04 : x
  2. Step 2: Convert to fraction form
    63,430.39/87,450.96 = 54,573.04/x
  3. Step 3: Cross multiply
    63,430.39x = 87,450.96 × 54,573.04
  4. Step 4: Simplify right side
    63,430.39x = 4,772,464,738.12
  5. Step 5: Solve for x
    x = 4,772,464,738.12/63,430.39
  6. Step 6: Final answer
    x = 75,239.40

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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.