Home / 86,670.86-130,011.15-24,336.50

Finding the Fourth Proportional to 86,670.86, 130,011.15 and 24,336.50

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Solution

The fourth proportional to 86,670.86, 130,011.15 and 24,336.50 is: 36,506.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,670.86 : 130,011.15 = 24,336.50 : x
  2. Step 2: Convert to fraction form
    86,670.86/130,011.15 = 24,336.50/x
  3. Step 3: Cross multiply
    86,670.86x = 130,011.15 × 24,336.50
  4. Step 4: Simplify right side
    86,670.86x = 3,164,016,351.98
  5. Step 5: Solve for x
    x = 3,164,016,351.98/86,670.86
  6. Step 6: Final answer
    x = 36,506.11

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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.