Home / 54,302.40-81,453.60-36,587.70

Finding the Fourth Proportional to 54,302.40, 81,453.60 and 36,587.70

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Solution

The fourth proportional to 54,302.40, 81,453.60 and 36,587.70 is: 54,881.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,302.40 : 81,453.60 = 36,587.70 : x
  2. Step 2: Convert to fraction form
    54,302.40/81,453.60 = 36,587.70/x
  3. Step 3: Cross multiply
    54,302.40x = 81,453.60 × 36,587.70
  4. Step 4: Simplify right side
    54,302.40x = 2,980,199,880.72
  5. Step 5: Solve for x
    x = 2,980,199,880.72/54,302.40
  6. Step 6: Final answer
    x = 54,881.55

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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.