Home / 85,890.56-128,812.48-23,546.24

Finding the Fourth Proportional to 85,890.56, 128,812.48 and 23,546.24

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Solution

The fourth proportional to 85,890.56, 128,812.48 and 23,546.24 is: 35,312.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,890.56 : 128,812.48 = 23,546.24 : x
  2. Step 2: Convert to fraction form
    85,890.56/128,812.48 = 23,546.24/x
  3. Step 3: Cross multiply
    85,890.56x = 128,812.48 × 23,546.24
  4. Step 4: Simplify right side
    85,890.56x = 3,033,049,569.08
  5. Step 5: Solve for x
    x = 3,033,049,569.08/85,890.56
  6. Step 6: Final answer
    x = 35,312.96

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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.