Home / 86,475.21-129,702.08-23,300.28

Finding the Fourth Proportional to 86,475.21, 129,702.08 and 23,300.28

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Solution

The fourth proportional to 86,475.21, 129,702.08 and 23,300.28 is: 34,947.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,475.21 : 129,702.08 = 23,300.28 : x
  2. Step 2: Convert to fraction form
    86,475.21/129,702.08 = 23,300.28/x
  3. Step 3: Cross multiply
    86,475.21x = 129,702.08 × 23,300.28
  4. Step 4: Simplify right side
    86,475.21x = 3,022,094,664.08
  5. Step 5: Solve for x
    x = 3,022,094,664.08/86,475.21
  6. Step 6: Final answer
    x = 34,947.53

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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.