Home / 86,328.84-129,508.44-35,727.72

Finding the Fourth Proportional to 86,328.84, 129,508.44 and 35,727.72

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Solution

The fourth proportional to 86,328.84, 129,508.44 and 35,727.72 is: 53,597.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,328.84 : 129,508.44 = 35,727.72 : x
  2. Step 2: Convert to fraction form
    86,328.84/129,508.44 = 35,727.72/x
  3. Step 3: Cross multiply
    86,328.84x = 129,508.44 × 35,727.72
  4. Step 4: Simplify right side
    86,328.84x = 4,627,041,281.96
  5. Step 5: Solve for x
    x = 4,627,041,281.96/86,328.84
  6. Step 6: Final answer
    x = 53,597.86

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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.