Home / 86,388.95-129,574.67-23,200.86

Finding the Fourth Proportional to 86,388.95, 129,574.67 and 23,200.86

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Solution

The fourth proportional to 86,388.95, 129,574.67 and 23,200.86 is: 34,798.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,388.95 : 129,574.67 = 23,200.86 : x
  2. Step 2: Convert to fraction form
    86,388.95/129,574.67 = 23,200.86/x
  3. Step 3: Cross multiply
    86,388.95x = 129,574.67 × 23,200.86
  4. Step 4: Simplify right side
    86,388.95x = 3,006,244,439.75
  5. Step 5: Solve for x
    x = 3,006,244,439.75/86,388.95
  6. Step 6: Final answer
    x = 34,798.95

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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.