Home / 86,503.19-129,760.27-36,573.98

Finding the Fourth Proportional to 86,503.19, 129,760.27 and 36,573.98

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Solution

The fourth proportional to 86,503.19, 129,760.27 and 36,573.98 is: 54,863.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,503.19 : 129,760.27 = 36,573.98 : x
  2. Step 2: Convert to fraction form
    86,503.19/129,760.27 = 36,573.98/x
  3. Step 3: Cross multiply
    86,503.19x = 129,760.27 × 36,573.98
  4. Step 4: Simplify right side
    86,503.19x = 4,745,848,779.54
  5. Step 5: Solve for x
    x = 4,745,848,779.54/86,503.19
  6. Step 6: Final answer
    x = 54,863.28

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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.