Home / 62,889.28-94,346.16-20,767.60

Finding the Fourth Proportional to 62,889.28, 94,346.16 and 20,767.60

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Solution

The fourth proportional to 62,889.28, 94,346.16 and 20,767.60 is: 31,155.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,889.28 : 94,346.16 = 20,767.60 : x
  2. Step 2: Convert to fraction form
    62,889.28/94,346.16 = 20,767.60/x
  3. Step 3: Cross multiply
    62,889.28x = 94,346.16 × 20,767.60
  4. Step 4: Simplify right side
    62,889.28x = 1,959,343,312.42
  5. Step 5: Solve for x
    x = 1,959,343,312.42/62,889.28
  6. Step 6: Final answer
    x = 31,155.44

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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.