Home / 86,583.90-129,875.85-36,700.05

Finding the Fourth Proportional to 86,583.90, 129,875.85 and 36,700.05

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Solution

The fourth proportional to 86,583.90, 129,875.85 and 36,700.05 is: 55,050.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,583.90 : 129,875.85 = 36,700.05 : x
  2. Step 2: Convert to fraction form
    86,583.90/129,875.85 = 36,700.05/x
  3. Step 3: Cross multiply
    86,583.90x = 129,875.85 × 36,700.05
  4. Step 4: Simplify right side
    86,583.90x = 4,766,450,188.79
  5. Step 5: Solve for x
    x = 4,766,450,188.79/86,583.90
  6. Step 6: Final answer
    x = 55,050.08

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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.