Home / 60,513.16-90,782.04-21,073.36

Finding the Fourth Proportional to 60,513.16, 90,782.04 and 21,073.36

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Solution

The fourth proportional to 60,513.16, 90,782.04 and 21,073.36 is: 31,614.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,513.16 : 90,782.04 = 21,073.36 : x
  2. Step 2: Convert to fraction form
    60,513.16/90,782.04 = 21,073.36/x
  3. Step 3: Cross multiply
    60,513.16x = 90,782.04 × 21,073.36
  4. Step 4: Simplify right side
    60,513.16x = 1,913,082,610.45
  5. Step 5: Solve for x
    x = 1,913,082,610.45/60,513.16
  6. Step 6: Final answer
    x = 31,614.32

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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.